The Dose

The Dose is currently on a summer break, but we wanted to feature some of our favourite shows while we’re away. This week, we've put together two episodes where we explore the science behind two popular wellness trends, including: What's the real evidence on injectable peptides and What do we know so far about psilocybin as a medical treatment? Have a listen.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

This week, we’re revisiting two episodes that tackle big questions about weight management and nutrition: How healthy is eating one meal a day? And, how should you adapt your diet while taking GLP-1 drugs? We explore what the evidence says about these popular approaches and what they mean for your health.

For more episodes of this podcast, click this link.

Canada's Bill C-34 aims to restrict social media access for people under the age of 16. Supporters say it could help reduce rising rates of depression, anxiety and social isolation. But Dr. Shimi Kang, a psychiatrist and clinical associate professor at UBC, says the proposed restrictions need more clarity, noting that social media can also help marginalized young people find support.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Hundreds of thousands of visitors are expected in Toronto and Vancouver for the 2026 FIFA World Cup, but what does that mean for public health? Dr. Michelle Murti, medical officer of health for Toronto Public Health, says her team has planned for everything from infectious diseases to heat to food safety, and will be ready when the games kick off.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

An Ebola outbreak coursing through the Democratic Republic of Congo has experts worried it might rival the worst outbreak in history. Dr. Joanne Liu was president of Doctors Without Borders during that deadly 2014 outbreak in West Africa. As countries like Canada suspend travel from Congo, Liu says border closures don't help mitigate the spread of disease — only treating Ebola can. 

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

As ticks and tick-borne diseases rise across Canada due to warmer weather, experts are warning about two invasive species: the lone star and Asian longhorned ticks. Entomologist Jade Savage, creator and director of the eTick monitoring platform, says authorities are closely tracking them. In the meantime, she gives practical steps we can take to reduce the risk of tick bites.

For our episode on anaplasmosis, an emerging tick-borne disease in Canada, click here.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

From seasonal allergies to infections, red eyes can have many causes. University of Calgary ophthalmologist Dr. Helen Chung talks about what’s behind eye redness, when drops can help, and when it’s time to see a doctor.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Toronto and Hamilton are experiencing outbreaks of Legionnaires' disease, a serious type of pneumonia caused by Legionella bacteria. Infectious diseases physician Dr. Isaac Bogoch says it spreads through natural, as well as artificial water systems, like cooling towers, hot tubs, and plumbing, so it's important that buildings are up to code.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Three people have died after a hantavirus outbreak on a cruise ship, and several others are seriously ill. While hantaviruses are typically carried by rodents and rarely infect humans, health officials are investigating the cases. Infectious diseases specialist Dr. Zain Chagla explains what you need to know about hantavirus and how to avoid infection. 

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Psychedelics are a hot topic, and a drug called ibogaine is receiving attention after a recent shoutout from U.S. President Donald Trump. University of Calgary psychedelics researcher Leah Mayo explains what ibogaine is, and why limited high-quality research has her hesitant to recommend it.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Erectile dysfunction is commonly thought of as a sexual health issue, but experts say the condition can reveal a lot about men's health. Dr. Dean Elterman, a urologist at the University Health Network in Toronto, says ED can be connected to a host of other health problems including diabetes and heart disease.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Some private clinics in Canada are offering whole-body MRIs that can run thousands of dollars. They claim these scans can detect a range of issues, and can find cancers in the early stages. Dr. Iain Kirkpatrick, the head of radiology at St. Boniface Hospital in Winnipeg, explains what a whole-body MRI can - and can’t - tell you about your health.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Young female athletes are considerably more likely to tear their anterior cruciate ligaments, or ACLs, than young men. Dr. Marie-Lyne Nault is an orthopedic surgeon and researcher specializing in pediatric sports medicine in Montreal. She explains why the risk is higher, and how women and teens can significantly reduce the risk of a tear.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Meningococcal disease is a rare but potentially lethal bacterial infection. Two young people died in a recent outbreak in the U.K. Infectious diseases specialist Dr. Isaac Bogoch explains what you need to know about this disease and how to protect yourself.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Psilocybin, the active compound in magic mushrooms, shows promise for treating depression and other mental health conditions. Dr. Joshua Rosenblat, a psychiatrist and researcher at the Krembil Brain Institute at UHN, explains the latest research and its potential for future treatments—though it's still illegal in Canada.

Wellness influencers on social media are touting injectable peptides as a new wonder drug, claiming compounds like BPC-157 can improve muscle strength, boost recovery times and even increase longevity. But University of Alberta health misinformation expert Tim Caulfield says the evidence doesn’t support the hype, and warns people against injecting unregulated substances.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

A recent survey found roughly three million Canadians are taking GLP-1 medications like Ozempic and Mounjaro. The drugs can reduce appetite and cravings, and could also affect the body’s fat and muscle stores. Jennifer Brown, director of program innovation at Obesity Canada and a registered dietitian, says people on GLP-1 drugs may need to be more intentional about what they eat — from protein and micronutrients to fibre and fluids.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Researchers in Canada and around the world are exploring ways stem cells could help treat conditions like diabetes, Parkinson's and heart disease, but the hype sometimes outpaces the science. Neurosurgeon and researcher Dr. Sheila Singh of McMaster University and King’s College London explains what stem cells can—and can’t—do, including why they’re no miracle cure for aging.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Lung cancer is the deadliest cancer in Canada, and a growing number of never-smokers are getting diagnosed. Dr. Nicole Ezer, director of McGill University Health Centre's lung cancer screening centre, explains why this is happening and how workplace and environmental exposures may be contributing.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

The One Meal a Day Diet, or OMAD, is a more extreme version of intermittent fasting that's been gaining in popularity. Its proponents say it can help people lose weight by eating a day’s worth of calories in a single meal. Family doctor and nutrition expert Dr. Mary Sco says there's little research suggesting that OMAD is more effective than other intermittent fasting diets.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Heat therapy is an age-old remedy that’s been growing in popularity. Whether it’s hot springs, hot tubs, saunas, or steam rooms, there are plenty of claims about how heat therapy can improve your health — but what does the research say? Brock University kinesiology professor Stephen Cheung explains how heat therapy can boost cardiovascular health and may even support mental well-being.

Want to learn more about cold plunges? Click here!

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

With more than 30 symptoms of menopause, it can be difficult to decide which treatments work best. Menopause specialist ob-gyn Dr. Kelsey Mills explains why hormone therapy is the gold standard, how new non-hormonal treatments are expanding options, and why symptom-based care—not hormone testing or “quick fixes”—is what really works.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

For decades, dietary guidelines have recommended low-fat milk to lower the risk of heart disease. But the U.S. recently updated its guidance, saying whole milk can be part of a healthy diet, while Canada still emphasizes lower-fat options. Registered dietitian Caroline Richard explains there's little difference in health outcomes—and that decades of public health messages about fat and sugar have shaped our milk choices.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

For years, doctors have recommended taking Aspirin every day to help prevent heart attacks and stroke. Cardiologist Dr. Sonia Anand says that advice is still correct, but it only applies to certain patients. She cautions against taking too much Aspirin, because acetylsalicylic acid can increase the risk of bleeding in the stomach and brain.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

The U.S. Centers for Disease Control and Prevention has updated its childhood vaccination schedule, cutting back the number of immunizations from 17 to 11. Infectious-diseases specialist Dr. Caroline Quach-Thanh says Canada’s schedule hasn’t changed, but she worries the U.S. move could create confusion and fuel vaccine hesitancy here.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Scromiting is a term popping up on social media that combines screaming and vomiting. It refers to cannabinoid hyperemesis syndrome, a painful condition that can affect long-term cannabis users. Dr. Kirk Magee, an emergency physician at the QE2 Health Sciences Centre in Halifax, says he’s seeing more patients with the condition — and that stopping cannabis use is the only effective treatment.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

If you're dragging yourself into the office every day, you might be tired — or you might be experiencing burnout. Michael Leiter, professor emeritus of psychology at Acadia University and co-author of The Burnout Challenge, explains that burnout isn’t a personal failing, but a signal of deeper organizational issues. He shares how to recognize the signs and what you can do if you think you're affected.  

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

A U.S. federal vaccine advisory panel has voted to drop its long-standing recommendation for universal hepatitis B vaccination at birth. In Canada, most infants don’t receive the vaccine until two months of age, with some exceptions. It can all be a bit confusing. So Dr. Lynora Saxinger, an infectious diseases specialist at the University of Alberta Hospital, explains what Canadians should know about when to get vaccinated for hepatitis B.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Researchers say a shingles vaccine could slow the progression of dementia and lower the risk of dying from it. Earlier this year, they produced the strongest evidence yet that the vaccine might reduce the risk of getting dementia in the first place. Dr. Nathan Stall, a clinician scientist and geriatrics lead at Sinai Health explains why shingles may be linked to cognitive decline and how a shingles vaccine could help.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

A new variant of H3N2 may mean a more severe flu season in Canada, and this year's flu vaccine may not be quite as effective against it. Dr. Stephanie Smith, an infectious diseases specialist at the University of Alberta Hospital, explains what you should watch for this flu season, why you should still get vaccinated, and how else you can protect yourself.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Canadians are some of the biggest users of antidepressants in the world, yet many people taking them aren’t sure when, or whether, they can safely stop. Dr. Ishrat Husain, head of the Mood Disorders Service at the Centre for Addiction and Mental Health, explains how long antidepressants should be used, how to taper safely, and what patients need to know before making a change. 

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

With roughly five billion people flying each year, in-flight medical emergencies happen more often than you’d think. One recent study found they occur about once every 212 flights. Dr. Vincent Poirier is an emergency physician and a senior medical advisor for Air Canada and Air Transat. He explains the most common medical incidents, how airlines handle them, and what passengers should know.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

E-scooter injuries are on the rise in Canada, including in children. According to the Canadian Institute for Health Information, between 2022 and 2024, hospitalizations involving e-scooters for kids between five and 17 years old increased by 61 per cent. And growing research is examining e-scooter injuries. Dr. Daniel Rosenfield, a pediatric emergency physician at SickKids, says no one under the age of 16 should ride an e-scooter.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

A new Health Canada-approved drug called lecanemab has been shown to slow early-stage Alzheimer's disease. Neurologist Dr. Sharon Cohen, who participated in phase three trials for the drug, explains why lecanemab is such a big deal.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Most Canadians reset their clocks twice a year. We spring forward, fall back and experts say that messes with our body's internal clocks. Rébecca Robillard, University of Ottawa associate professor and co-chair of the Canadian Sleep Research Consortium, says we should abolish Daylight Saving Time, in order to protect our sleep and overall health.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Fill out our listener survey here. We appreciate your input! 

An estimated one third of Canadian adults are obese, and ultra-processed foods are a major culprit. Leading nutrition scientist Kevin Hall recently co-wrote a new book on how foods nourish and harm us. He says understanding what's in our food is essential for our health, and that not all ultra-processed foods are bad.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Fill out our listener survey here. We appreciate your input! 

Some wellness clinics in Canada are promoting IV vitamin and hydration therapy as a way to ease hangovers, migraines, and even prevent illness and inflammation. But Bernie Garrett, UBC associate professor and author of a book on deceptive health care, says there’s little evidence these treatments actually work.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Fill out our listener survey here. We appreciate your input! 

It’s respiratory virus season again, and experts say to look out for the flu, COVID-19 and RSV. Infectious diseases specialist Dr. Allison McGeer explains what the data shows about how severe this year might be, as well as how Canadians can protect themselves.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Fill out our listener survey here. We appreciate your input! 

The Trump administration has claimed Tylenol in pregnancy causes autism, despite no conclusive evidence, and promoted the drug leucovorin as a potential treatment for autism symptoms. Pediatric neurologist Dr. Evdokia Anagnostou breaks down the science and what’s really known about these claims.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Fill out our listener survey here. We appreciate your input! 

The internet is full of hype for products claiming to boost mood, reduce fatigue, and enhance sexual performance—including testosterone supplements. Low testosterone can affect both men and women, but OB/GYN Dr. George Arnold says supplements rarely raise hormone levels; only prescribed testosterone can.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

An estimated 70 per cent of people have experienced computer vision syndrome (CVS), or digital eye strain. It's a condition caused by staring at a digital screen that's too close for too long and can lead to headaches, dry or blurry eyes, and neck, shoulder or back pain. Optometrist Meenal Agarwal says simple habits like taking regular breaks can help prevent CVS.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

GLP-1 drugs like Ozempic are proven effective for type 2 diabetes and weight management. Researchers are now exploring their potential to reduce heart, kidney, liver, and even Alzheimer’s disease risks. But experts, including obesity specialist Dr. Sean Wharton, warn against off-label use. He breaks down the latest research and what the future might hold.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

TED Health is a podcast from TED that shares interviews, stories, and TED Talks that will help you better understand your health. You can learn the latest ideas on what exercise does to your brain, whether or not psychedelics can treat depression, why your body fights weight loss, and more. 

In this episode: You’re just one exam away from a relaxing spring break. But you still have so much to study! You decide to follow in the footsteps of many before you, and pull an all-nighter. So, what happens to your brain when you stay up all night? And does cramming help you prepare for a test? Science journalist Anna Rothschild explores how a sleepless night affects your cognitive function. And host Dr. Shoshanna Ungerleider delves into the effects of sleep deprivation on other aspects of your health–starting with the heart. 

Listen wherever you get your podcasts or go to: https://link.mgln.ai/f7pFxv

As a growing number of Canadians use AI, physician groups like the Ontario Medical Association are warning against using it for medical help. Family physician Dr. Danielle Martin explains how AI chatbots can be useful, but risky when it comes to personal medical advice.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

The Dose is still on summer break, but we've curated some of our most popular episodes to make your summer a little healthier. In this double-episode, we explore what the research shows about the benefits of creatine supplements, as well what we can do now to live longer and healthier. 

The Dose is still on summer break, but we've curated some of our most popular episodes to make your summer a little healthier. In this double-episode, we explore how women can have better sex, as well as how heat affects women's bodies.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Fill out our listener survey here. We appreciate your input! 

Wildfire smoke can feel unavoidable during summer in Canada, and that's on top of the air pollution that most cities experience during warmer months. Respirologist Dr. Chris Carlsten, head of University of British Columbia's Air Pollution Exposure Lab, explains how poor air quality affects our health, and how masks and air filters can help.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

To live longer, healthier lives, we need to eat a balanced diet, get enough exercise and sleep, and go easy on the alcohol. While the solutions are simple, building healthy habits is more complicated. Dr. Eric Topol, director of the Scripps Research Translational Institute and author of Super Agers: An Evidence-Based Approach to Longevity, explains why we should aim for a long "healthspan" versus "lifespan," and offers advice on how to build the habits that will help get us there.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Just Asking, hosted by Saroja Coelho, takes audience questions about major news and trends, then invites experts to give you the answers needed to make better decisions in your life.

In this episode: Drugs like ketamine, MDMA and psilocybin are being looked at as possible treatments for depression, anxiety and PTSD. And while there’s a growing appetite from patients to explore these options, the research is still ongoing about why they work the way they do, and which patients are best suited for them. Where does the research currently stand? And what risks should patients be aware of? Just Asking brings on two experts to help answer those questions.

You can find more episodes of Just Asking here.

Cosmetics are a big business. But while many brands promise to beautify and rejuvenate, it's not always clear whether their makeup products and creams actually benefit our skin. Dermatologist Dr. Renee Beach explains how some cosmetics, including anti-aging creams, can improve skin health, but says not to believe everything you read on the label.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Former U.S. president Joe Biden's advanced prostate cancer has raised some questions, like how it could have gone undiagnosed for so long, and what the future holds. Dr. Laurence Klotz, chief of urology at Sunnybrook Health Sciences Centre, explains how prostate cancer is diagnosed, why some forms are more aggressive than others, and the extensive array of treatments available.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

We think of varicose veins as something that happens mostly to older people. It turns out the slow-moving condition usually begins at a much younger age. Dr. Varun Kapila is a vascular surgeon and president of the Canadian Society for Vascular Surgery. He says there are a few lifestyle factors that can reduce the chances of getting varicose veins — or at least slow their progression.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast,click this link.

Seasonal allergy sufferers who've noticed their symptoms getting worse aren't imagining things. Due mostly to the effects of climate change, but also urban planning, seasonal allergies are more intense. Dr. Anne Ellis, chair of the division of allergy and immunology at Queen's University, explains why you're suffering more, and that allergy treatments are offering new hope.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

A new miracle cure-all has been making the rounds on social media, promising that people who take methylene blue can improve their mood and cognition. Some TikTok videos even suggest the synthetic dye could be used to treat cancer. Joe Schwarcz, director of McGill's Office for Science and Society, explains there’s little evidence to suggest methylene blue is useful outside of very specific circumstances.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

U.S. Health Secretary Robert F. Kennedy Jr. recently spoke of an autism "epidemic" when he announced "a massive testing and research effort" to investigate potential causes. But as developmental pediatrician Dr. Melanie Penner explains, the rise in diagnoses reflects broader recognition of the signs and symptoms, rather than increased prevalence. And that, she says, means more people are getting the help they need. 

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Whole-body deodorants are the latest fad designed to mask our scent, but not everyone agrees that body odour is a bad thing. Sarah Everts, Carleton University associate professor and author of The Joy of Sweat: The Strange Science of Perspiration, explains why we smell, why we should pause before applying whole-body deodorant, and why we should chill a little when it comes to BO.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Much of the federal election campaign’s focus has been on the U.S. But health care is always on the minds of Canadians. So what are the federal government’s responsibilities when it comes to health care — especially when 6.5 million Canadians don't have a family doctor or a nurse practitioner? Amélie Quesnel-Vallée explains. She's a McGill professor and Canada Research Chair in Policies and Health Inequalities.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

A third of Canadians have at least one tattoo, but it's not without risk. While uncommon, tattoos can cause allergies and infections. Some studies have also found an association between tattoo ink and cancer. McGill University dermatologist Dr. Elena Netchiporouk explains how tattoos can cause an allergic reaction, and could potentially increase the risk of certain cancers, though more research is needed.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Nearly half of Canadians have experienced increased anxiety over the last month, according to a new survey from Mental Health Research Canada. Top reasons are the rising cost of living and political uncertainty in the U.S. University of Toronto Scarborough distinguished professor of psychology Zindel Segal explains why we tune into negative news and how we can manage stress brought on by uncontrollable situations.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

It’s a stressful world out there. And one way some people quiet it down is taking medications like Lorazepam, Xanax, or Valium. They're called Benzodiazepines and their use and misuse has become a plotline in the popular TV series The White Lotus and The Pitt. University of British Columbia's clinical assistant professor and addictions medicine specialist Dr. Paxton Bach explains the benefits and risks of taking benzos. 

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Hair loss, also known as alopecia, affects roughly 40 per cent of women by the age of 50, and some research suggests the number increases post-menopause. Toronto dermatologist Dr. Renee A. Beach explains why many women experience alopecia, and offers advice on how to slow down hair loss.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Creatine is a naturally occurring compound that provides energy to our muscles and brain, but it also comes in supplement form. It's long been used by athletes and bodybuilders, but now some research suggests it may also improve cognition. Darren Candow, professor and director of the University of Regina's Aging Muscle and Bone Health Laboratory, explains the science behind creatine's effect on muscles and bones, and why supplements could also help with mental stress.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Measles is on the rise, highlighting how a disease considered eliminated in Canada is making a comeback. Though there have long been sporadic cases, recent dramatic outbreaks are worrying people like infectious diseases specialist Dr. Sumon Chakrabarti. He explains why more people are getting measles and urges Canadians to get vaccinated to stay protected.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Many smokers turn to nicotine gums, patches or lozenges to try and kick the habit. But now, experts say that some non-smokers are using those products to boost attention and fine motor skills. They're doing so despite studies showing that nicotine is as addictive as cocaine or heroin. Steven Laviolette, a professor in the Schulich School of Medicine at Western University, explains what nicotine does to the brain. 

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

 If you're noticing people around you sniffling, coughing or sneezing, it could well be the flu. Public health data show that flu cases make up almost a quarter of all respiratory viruses circulating in Canada. Infectious diseases specialist Dr. Zain Chagla explains why cases are so high right now, and why you should consider getting a flu shot if you haven't already.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Chocolate isn't just a sweet treat, but could have some health benefits too. In a special Valentine's Day edition of The Dose, registered dietitian Anar Allidina breaks down which kind of chocolate is the healthiest, and some common health misconceptions around the delicious dessert.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

HPV (human papillomavirus) is one of the most common sexually transmitted infections in the world, regardless of gender or sexual orientation. While most people infected with HPV recover, certain strains can increase the risk of cervical and other cancers, including oral, anal, and head and neck. Dr. Deborah Money, head of the department of obstetrics and gynaecology at the University of British Columbia, breaks down how HPV spreads and why sexually active people should consider getting vaccinated.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

A new Canadian Medical Association survey suggests that health misinformation is on the rise. Law professor and research director of the Health Law Institute at the University of Alberta Tim Caulfield gives examples of health and science misinformation, breaks down how to spot it, and offers tips on how we can talk to friends and family about misinformation they might believe is true.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

The U.S. surgeon general has called for cancer warnings on alcohol and Health Canada suggests a maximum of two drinks a week. As Dry January winds down, we ask: How can I cut back or even quit drinking alcohol? Dr. Peter Butt, an addiction medicine specialist and clinical associate professor at the University of Saskatchewan, explains how much alcohol is too much and breaks down how people can cut back.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Human metapneumovirus (HMPV) is one of the viruses responsible for the common cold. A spike in cases in China has made headlines, though the World Health Organization assures infection numbers are at expected levels. Dr. Satchan Takaya, division head for infectious diseases at the University of Saskatchewan, explains what HMPV is and how we can better communicate about infectious disease outbreaks abroad.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Cases of norovirus, a stomach bug that causes vomiting and diarrhea, are on the rise in Canada and the U.S., and experts say there are easy steps we can take to protect ourselves. Dr. Zain Chagla, an infectious diseases specialist and associate professor at McMaster University in Hamilton, Ont., explains how norovirus spreads, as well as how steps like simple handwashing can keep us safe. 

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

For many, winter weather means seasonal affective disorder. If you already live with depression, you might notice your symptoms worsen. Research now shows that exercise — as well as therapy and medication — can help. Catherine Sabiston, a University of Toronto professor, director of the Mental Health and Physical Activity Research Centre and Canada Research Chair in physical activity and mental health, explains how exercise can alleviate the signs of depression.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Experts say that frequent use of social media is harming teens’ health, and the Australian government recently passed a law banning it for kids under 16. Here in Canada, Quebec is debating whether to follow suit. Psychiatrist and UBC associate professor of medicine Dr. Shimi Kang says rather than an all-out ban, parents should talk with their kids and figure out a plan that’s right for them.

H5N1 avian flu has now spread through dairy herds in 16 U.S. states. Close to 60 human cases have been reported in the U.S. and one here in Canada with a B.C. teen. Most have been caused through contact with infected animals, though a few sources are unclear. A new study in the journal Science says the virus might be just a single mutation away from more easily spreading between people. But infectious diseases specialist, Dr. Lynora Saxinger, says that while there’s no reason to panic, we need to take precautions and get any exposure to sick animals checked out.

California is issuing warnings about consuming raw milk after bird flu was detected in some samples from a farm's milk products . But proponents of unpasteurized milk say that it’s healthier than pasteurized milk, despite evidence to the contrary. Lawrence Goodridge, a food safety professor and director of the Canadian Research Institute for Food Safety at the University of Guelph, explains how pasteurization works, while debunking some common myths about raw milk.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Some communities in the U.S. are debating whether to remove fluoride from water supplies. And it's also happening in Canada. Officials recently voted to stop water fluoridation in Montreal's West Island. Dr. Gerry Uswak, a public health dentist and dental therapy professor at the University of Saskatchewan, explains how fluoride protects teeth, while addressing controversial research linking fluoride with a variety of medical conditions.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

You may have heard you should throw out your black plastic kitchen utensils. That’s because it could be leaching harmful chemicals into our food. Tizazu Mekonnen, a professor of chemical engineering and Canada Research Chair in sustainable multiphase polymers, explains how black plastic in our home can be harmful to our health, and offers safer alternatives we can use.

Click here for an important update on the study highlighting the link between black plastic and brominated fire retardants.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Doctors across Canada say they're seeing a spike in cases of walking pneumonia. It's a milder form of pneumonia that doesn't often lead to hospitalization, but can still lead to serious issues like meningitis and encephalitis. Dr. Caroline Quach, a microbiologist and pediatric infectious diseases specialist, explains what could be fuelling cases and how to protect against infection.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Sex isn't always easy to talk about. And for women who have difficulties with orgasm and libido, it can be complicated if they haven't learned much about their genitals, or explored what turns them on. Lori Brotto, a professor and Canada Research Chair in women's sexual health at the University of British Columbia, says better sex starts with education and communication.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Prostate cancer is the most common cancer among Canadian men, with an estimated one in eight men expected to be diagnosed during their lifetime. John Lewis, a prostate cancer researcher and University of Alberta oncology professor, says better screening tools will help detect the disease more effectively in men.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

While breast self-exams haven't been shown to reduce breast cancer mortality, Dr. Mojola Omole — a general surgeon, breast surgical oncologist and president of the Black Physicians' Association of Ontario — says women should still perform self-exams to know what is normal, and when to seek care.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Human cases of rabies are not common in Canada, but experts say people still need to be cautious and avoid infection. Dr. Isaac Bogoch, an infectious diseases specialist at Toronto General Hospital and Dr. Scott Weese, a professor and veterinary internal medicine specialist at the Ontario Veterinary College, explain everything you need to know about rabies from the human, and the animal side.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

While most people think of acne as a skin condition for adolescents, it can also develop in adults. Dr. Kerri Purdy, head of dermatology at Dalhousie University, explains some of the risk factors for acne (genes and hormones, not necessarily diet) as well as the latest treatments.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

It's fall respiratory illness season and experts are once again urging Canadians to get vaccinated. Dr. Susy Hota, division head of infectious diseases at the University Health Network and Sinai Health in Toronto, breaks down the latest vaccines and treatments for influenza, COVID-19 and RSV, while also talking about how everyone can stay safe this season. 

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Correction: A previous version of this episode said that Ontario is paying for every senior to receive an RSV vaccine. Ontario is only paying for high-risk seniors.

Whooping cough cases are on the rise across Canada and vaccination rates in some provinces aren't keeping pace. Dr. Cora Constantinescu, a pediatric infectious diseases specialist in Calgary, explains how whooping cough is distinct from other respiratory infections, and how children and adults can stay safe.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Iron deficiency is relatively straightforward to treat, yet a significant percentage of Canadian women and girls live with the condition. Dr. Michelle Sholzberg, a hematologist at St. Michael’s Hospital and director of hematology in the University of Toronto's department of medicine, explains how to diagnose iron deficiency and maintain our body's iron stores.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Experts know that men and women respond to heat differently, but we're still learning about how women respond to extreme temperatures. Dr. Amita Mahajan, an endocrinologist and clinical assistant professor at the University of Calgary, explains how extreme heat affects women's bodies and the role that hormones play in regulating their core temperatures.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Experts are warning Canadians about the risk posed by mosquitoes due to environmental factors like climate change. Dr. Sumon Chakrabarti, an infectious diseases specialist with Trillium Health Partners in Mississauga, Ont. explains what we need to know about mosquito-borne diseases, including West Nile Virus.

There are a lot of fads, blogs and strong opinions, but then there’s SCIENCE. Science Vs is the show from Gimlet that finds out what’s fact, what’s not, and what’s somewhere in between.

Science VS looked at the class of weight loss drugs called GLP-1 receptor agonists a year ago, and they've only gotten more popular — and more controversial. We’re hearing that these kinds of drugs can be tough on your stomach, and that the weight loss comes with worrisome loss of muscle. We’ve also heard claims that they might increase your risk of suicide. So — should we be freaking out here?? In this episode, Science Vs hosts talk to endocrinologist Dr. Vibha Singhal, neuroscientist Dr. Nora Volkow, and gastroenterologist Dr. Michael Camilleri.  

And a warning, this episode does deal with depression and suicidal thoughts. A full list of international hotlines can be found here. The episode transcript can be found here: https://bit.ly/ScienceVsOzempic2Scarier 

Whether it’s travelling abroad, or being active outdoors, summer can increase risk of injury, burns and bites. Emergency physician Dr. Shaneka Kulasingham walks us through common summer medical emergencies, how to avoid them and what to do if you end up needing help. She also gives tips on what to pack in a first-aid kit.

For transcripts of The Dose, please visit:lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

As Canadians spend more time outdoors, enjoying yet another warm summer, experts are warning about anaplasmosis — a tick-borne disease that's slowly on the rise. Heather Coatsworth, chief research scientist of field studies in the National Microbiology Laboratory, explains what we need to know about anaplasmosis, as well as offers tips on how to avoid tick bites.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

As the Edmonton Oilers head into Game 3 of the Stanley Cup finals, Dr. Brian Goldman speaks to the team’s mindfulness coach, George Mumford. He talks about the work he’s doing with the Oilers to keep them focused, and how anyone can tap into mindfulness to achieve their goals.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Almost two-thirds of Canadians have experienced a traumatic event in their lifetimes. For some people, exposure to trauma can lead to post-traumatic stress disorder, or PTSD. Margaret McKinnon, a professor in the department of psychiatry and behavioural neurosciences at McMaster University, explains how we can better process trauma.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Sexually transmitted and blood-borne infections are on the rise around the world, including in Canada. But there are easy steps we can take to prevent the spread of SBBIs. Nolan Hill, a training centre facilitator at the Centre for Sexuality in Calgary, explains what you need to know.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Dry eye disease affects millions of Canadians, and more and more young people are being diagnosed. Among the risk factors is increased screen time. What is dry eye disease and what can you do about it? Ophthalmologist Dr. Johanna Choremis shares what you need to know.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

We’re all looking for ways to avoid cognitive decline, whether it’s by doing word puzzles or staying fit. So what actually helps keep our brains healthy? Dr. Steven Laureys, neurologist and Canada Excellence Research Chair in neuroplasticity at Laval University, shares what you need to know. 

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

For the millions of Canadians who suffer from migraines, new medications approved in Canada over the last five years have changed the game. Neurologist Dr. Elizabeth Leroux shares what you need to know about how to prevent and treat migraines. 

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

Canadians on average consume nearly half of their calories from ultra-processed foods. These are foods with added textures, colours and flavours that often contain high levels of salt, sugar and fat. Université de Montréal associate professor Jean-Claude Moubarac explains how ultra-processed foods can affect our physical and mental health, and how we can better tailor our diets.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.

While we tend to think rest is the key to recovering from an injury, physicians recommend keeping the body moving, if possible, but at a lower intensity. Sport medicine physician Dr. Laura Cruz explains why "motion is lotion" and provides some low-impact exercises that can help our bodies more easily recover.

For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.