The Dose

Box breathing is a way of focusing on sensations by breathing in a particular way, says Dr. Zindel Segal, distinguished professor of psychology and mood disorders at the University of Toronto Scarborough.

Sleep apnea is a medical condition in which breathing stops and restarts many times during sleep. Despite being a fairly common condition, an estimated eight out of 10 Canadians living with sleep apnea are undiagnosed. Sleep physician Dr. Sachin Pendharkar explains how sleep apnea works, as well the options available for diagnosing and treating the disorder.

Dopamine is often associated with helping us feel pleasure, though its role in the body is far more complex. The neurotransmitter is essential for memory and learning, as well as reward-related behaviours. But some of those behaviours can be problematic. Patricia Di Ciano, a scientist with the Centre for Addiction and Mental Health, breaks down how dopamine functions, and whether dopamine fasting actually works.

Millions of people around the world suffer from chronic back pain everyday, often not knowing if they'll ever recover. Pain specialist Dr. Brenda Lau offers advice on how you can manage chronic back pain, as well as some of the newer treatment options that can offer relief.

Attention-deficit/hyperactivity disorder – or ADHD – is a common diagnosis in children. But more and more adults are also being diagnosed with ADHD. Psychiatrist Dr. Ainslie Gray explains some of the tell-tale signs you might be living with undiagnosed ADHD, as well as some of the ways you might be unknowingly coping with the condition.

Everyone knows that physical exercise is necessary for a healthier life, but recommendations for how much exercise seem to vary from person to person. Sport medicine physician Dr. Jane Thornton outlines global exercise guidelines, while explaining why short bursts of physical activity are often enough to help us keep active.

Many of us ring in the new year, pledging to live healthier and better lives. Unfortunately, new year's resolutions often fail. Clinical psychologist Taslim Alani-Verjee tells us how we can structure our resolutions for success — and make sure we actually accomplish our goals.

The menstrual cycle can cause many physical, mental and emotional changes — from cramps and bloating to mood changes and more severe symptoms. Dr. Alison Shea, an obstetrician gynecologist and reproductive mental health specialist, shares information about the cycle and how people who menstruate can handle those shifts.

Nearly a quarter of Canadians have hearing loss — and many others may not be aware that they have it. Young people are increasingly at risk of hearing loss because of unsafe listening practices. Audiologist Emma LeBlanc talks about how to prevent and treat hearing loss. For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday.

Respiratory viruses are circulating in Canada, and hospitals are starting to fill up with young children and older adults. Dr. Lisa Barrett, an infectious diseases doctor and researcher at Dalhousie University, shares what you need to know, and tips for how to stay healthy. For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday.

It's that time of year when sunlight is hard to come by. If you're prone to seasonal depression or the winter blues, this can be a tough time of year. But there are ways to deal with, and maybe even prevent the symptoms. This week, we speak with Dr. Raymond Lam is a professor of psychiatry at UBC, and an expert and researcher in seasonal mood disorders. For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday.

Antibiotics treat bacterial infections and save lives when used appropriately, but when they aren’t needed, they can cause adverse effects and other harms — including antibiotic resistance, a growing global health threat. Dr. Lynora Saxinger, an infectious diseases specialist at the University of Alberta Hospital in Edmonton, explains what conditions antibiotics do — and don’t — treat, why new antibiotics are limited and how resistance is affecting patients in hospital. For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday.

Blood sugar levels can be affected by stress, sleep and a lack of exercise. But what role does food play when it comes to blood glucose? This week on The Dose, registered dietitian Anar Allidina talks about the role diet plays, how eating certain foods can help regulate your blood sugar and when to know 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.

Oral cold and cough medicine containing a popular decongestant was pulled from some U.S. pharmacy shelves this week. This comes after a panel of experts said phenylephrine is no better than a dummy pill at relieving congestion. But what actually works to treat cold symptoms? Family doctor and CBC Radio house doctor Dr. Peter Lin provides tips on how best to treat a cold or cough, and weighs in on popular home remedies. For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday.

It's RSV season and this year, seniors have the option to get a newly approved vaccine to protect against the respiratory virus. But the new vaccine comes at a cost to most seniors in Canada. Nurses and doctors are worried that cost will prohibit people from getting the RSV vaccine. This week on The Dose, we hear from Anne Summach, a nurse practitioner and assistant teaching professor in the University of Alberta’s nursing department.

Some countries are moving towards stopping the next generation from ever legally being sold cigarettes. The British government recently proposed a ban on selling cigarettes to anyone currently 14 or younger, in hopes of creating the first "smoke free generation." New Zealand has passed a similar law. Michael Chaiton, senior scientist at the Centre for Addiction and Mental Health in Toronto, weighs in on these bans and speaks to the Canadian context.

We may know it’s important to take breaks at work, but sometimes when deadlines pile up, it feels impossible to find the time. Katharine Coons, national senior manager at the Canadian Mental Health Association, explains why that ten-minute break is so important — and how it can improve your mental health. For transcripts of this series, please visit: https://www.cbc.ca/radio/podcastnews/the-dose-transcripts-listen-1.6732281

There are many factors that influence our mood, but one we may not think about is our diet. It turns out the emotions you feel have a lot to do with what’s happening in your gut, or your gastrointestinal tract. Dr. Mary Sco., a family doctor with a PhD in nutrition, breaks it down for us. For transcripts of this series, please visit: https://www.cbc.ca/radio/podcastnews/the-dose-transcripts-listen-1.6732281

We know that energy drinks are popular with teens and pre-teens. What are the health risks that come with these caffeinated, sugary drinks? Pediatrician and clinician scientist Dr. Olivier Drouin shares what you need to know. For transcripts of this series, please visit: https://www.cbc.ca/radio/podcastnews/the-dose-transcripts-listen-1.6732281

With fall on the horizon and kids back in school, cases of COVID-19 are starting to tick up in some parts of the country, and there are new subvariants popping up too. So should you get another COVID booster shot now, or wait until the updated vaccines come out this fall? Infectious diseases physician and epidemiologist Dr. Allison McGeer shares what you need to know. For transcripts of this series, please visit: https://www.cbc.ca/radio/podcastnews/the-dose-transcripts-listen-1.6732281

Noises like traffic, airplanes passing and construction don’t just harm our hearing. They can also have other long-term effects on our health. We speak to a researcher about those effects and why we need more awareness about the noise in our environment. For transcripts of this series, please visit: https://www.cbc.ca/radio/podcastnews/the-dose-transcripts-listen-1.6732281

An estimated one in three women and one in five men in Canada will break a bone due to osteoporosis. So how can we prevent it and keep our bones healthy? Dr. Carrie Ye, a rheumatologist and medical director of the Multidisciplinary Bone Health Clinic in Edmonton, shares what you need to know. For transcripts of this series, please visit: https://www.cbc.ca/radio/podcastnews/the-dose-transcripts-listen-1.6732281

Whether you’re taking a plunge into cold water or stepping into an icy shower, cold-water immersion has become more popular. But what do we actually know about its health effects? Stephen Cheung, professor of kinesiology at Brock University, breaks it down for us. For transcripts of this series, please visit: https://www.cbc.ca/radio/podcastnews/the-dose-transcripts-listen-1.6732281

Heart disease is a leading cause of death for women in North America — and yet, it’s still sometimes thought of as a man’s disease. Cardiologist and women’s health expert Dr. Beth Abramson talks about the differences in heart disease between women and men and why women need to pay attention. For transcripts of this series, please visit: https://www.cbc.ca/radio/podcastnews/the-dose-transcripts-listen-1.6732281

Wildfire smoke is becoming a bigger source of air pollution for all Canadians. What’s in wildfire smoke that makes it bad for your health, and who is most at risk? Epidemiologist and public health researcher Sarah Henderson shares what you need to know. For transcripts of this series, please visit: https://www.cbc.ca/radio/podcastnews/the-dose-transcripts-listen-1.6732281

Ticks are appearing earlier in the year in Canada and sticking around longer, thanks to climate change. And that means cases of Lyme disease are rising. Infectious diseases physician Dr. Isaac Bogoch walks us through what we need to know about Lyme disease and how to avoid and detect tick bites. For transcripts of this series, please visit: https://www.cbc.ca/radio/podcastnews/the-dose-transcripts-listen-1.6732281

Researchers have been working on a vaccine for respiratory syncytial virus, or RSV, for decades. This week, the first ever RSV vaccine was approved by the U.S. Food and Drug Administration. We speak about that and other potential RSV treatments with Sabina Vohra-Miller, founder of the website Unambiguous Science. For transcripts of this series, please visit: https://www.cbc.ca/radio/podcastnews/the-dose-transcripts-listen-1.6732281

Melanoma is the deadliest of all skin cancers, and rates of melanoma are growing in Canada. But melanoma is one of the most preventable cancers out there. Dermatologist Dr. Julia Carroll shares what you need to know. For transcripts of this series, please visit: https://www.cbc.ca/radio/podcastnews/the-dose-transcripts-listen-1.6732281

For many of us, coffee is an essential part of our day. So what impact is it having on us, beyond just waking us up in the morning? To try to answer that question, we speak to Thomas Merritt, a geneticist and professor at Laurentian University in Sudbury. For transcripts of this series, please visit: https://www.cbc.ca/radio/podcastnews/the-dose-transcripts-listen-1.6732281

Regular eye exams can help screen for symptoms of serious eye diseases. And you should be getting them even if you see well, and don’t wear glasses or contacts. Ophthalmologist Dr. Lesya Shuba from Dalhousie University explains why, and what else we can do to take care of our vision. For transcripts of this series, please visit: https://www.cbc.ca/radio/podcastnews/the-dose-transcripts-listen-1.6732281

Fatty liver disease is not well-known among the general public, even though it’s estimated one-quarter of all Canadians have it. So this week on The Dose, hepatologist Dr. Alnoor Ramji tells us what fatty liver disease is, and how you can both prevent it and treat it. For transcripts of this series, please visit: https://www.cbc.ca/radio/podcastnews/the-dose-transcripts-listen-1.6732281

Asthma is one of the most common chronic diseases in Canada, yet it’s often misdiagnosed or underdiagnosed. Dr. Shawn Aaron, a respirologist at the Ottawa Hospital, talks about the causes and symptoms of asthma and the best way to diagnose it. For transcripts of this series, please visit: https://www.cbc.ca/radio/podcastnews/the-dose-transcripts-listen-1.6732281

There are a lot of myths out there about urinary tract infections or UTIs. We want to debunk some of those myths, so this week Dr. Peter Lin, a family physician based in Toronto, addresses what you should know. For transcripts of this series, please visit: https://www.cbc.ca/radio/podcastnews/the-dose-transcripts-listen-1.6732281

The keto diet is one of the most popular diets out there, and has been for several years now. Proponents love it, but every so often concerns are raised. Registered dietitian Andy De Santis shares what you need to know. For transcripts of this series, please visit: https://www.cbc.ca/radio/podcastnews/the-dose-transcripts-listen-1.6732281

Chances are you're eating too much salt — and that can lead to health problems such as high blood pressure and heart disease. Registered dietitian Samantha Chabior talks about how excess salt affects our bodies and shares her tips on how to cut back. For transcripts of this series, please visit: https://www.cbc.ca/radio/podcastnews/the-dose-transcripts-listen-1.6732281

For most people, Daylight Saving Time disrupts their sleep schedule. But thankfully Dr. Elliott Lee, medical director of the Sleep Disorders Clinic at the Royal Ottawa Mental Health Centre, has some ways to prepare for the time change this weekend. For transcripts of this series, please visit: https://www.cbc.ca/radio/podcastnews/the-dose-transcripts-listen-1.6732281

Cases of norovirus are increasing in Canada after a pandemic lull. If you haven't had it before, it's a highly-contagious virus that causes several unpleasant symptoms. Angela Rasmussen, a virologist at the University of Saskatchewan's Vaccine and Infectious Disease Organization, shares what we know about the virus and how best to avoid it. For transcripts of this series, please visit: https://www.cbc.ca/radio/podcastnews/the-dose-transcripts-listen-1.6732281

There is no shortage of protein powders, shakes and bars on the market. But are they the best way to get protein into your diet? Registered dietitian Anar Allidina shares her thoughts on protein supplements.  Clarification: When referencing the recommended dietary allowance of protein, Anar Allidina meant 0.8 grams of protein per kilogram of body weight, not eight grams. For transcripts of this series, please visit: https://www.cbc.ca/radio/podcastnews/the-dose-transcripts-listen-1.6732281

We've been hearing about a specific red food dye, red dye No.3, that a consumer advocacy group in the U.S. is trying to get removed from food and drinks. But what do we know about the health effects of food dyes more broadly? Joe Schwarcz, a chemistry professor and director of McGill University’s Office for Science and Society, has the answers. For transcripts of this series, please visit: https://www.cbc.ca/radio/podcastnews/the-dose-transcripts-listen-1.6732281

Ovarian cancer is considered the "most serious" women's cancer. Its symptoms are often generic, there is no routine screening procedure and when detected, the cancer is often in later stages. This week, Paige Gibbings, a registered nurse and clinical coordinator for the ovarian tumours surgical program at the Princess Margaret Cancer Centre, shares what people should know about ovarian cancer. For transcripts of this series, please visit: https://www.cbc.ca/radio/podcastnews/the-dose-transcripts-listen-1.6732281

It’s been said that Canada and other developed nations are in the grip of an epidemic of loneliness. The good news is that things like volunteering to help others and even chatting with someone you don’t know can be good for your health. Kate Mulligan, senior director of the Canadian Institute for Social Prescribing, shares what we know about how socializing can benefit our health. For transcripts of this series, please visit: https://www.cbc.ca/radio/podcastnews/the-dose-transcripts-listen-1.6732281

This week, we're answering your questions about perimenopause and menopause symptoms and treatments. Dr. Shafeena Premji, a family doctor and medical director of Mahogany Clinic in Calgary, shares her best advice on how to manage symptoms and when to speak to a health-care provider. For transcripts of this series, please visit: https://www.cbc.ca/radio/podcastnews/the-dose-transcripts-listen-1.6732281

Intermittent fasting is becoming more widely discussed, with research still emerging. This week, Dr. Jason Fung, a nephrologist and expert on intermittent fasting, shares his tips on who should fast and how to do it. For transcripts of this series, please visit: https://www.cbc.ca/radio/podcastnews/the-dose-transcripts-listen-1.6732281

Across Canada, we’ve seen high numbers of people sick with flu and a lot of kids sick with RSV or Group A strep. In some cases, people have both COVID and another viral illness. Allison McGeer, an adult infectious disease physician at the Sinai Health System, goes through what you should know about co-infections.

If you've ever struggled to keep your New Year's resolution to exercise more, experts say to start small and to schedule time to workout are key. Mary Jung, an associate professor at UBC’s School of Health and Exercise Sciences, shares her tips on how to make exercise a habit.

There are plenty of ads for supplements that supposedly boost our memory. If you’re worried about memory loss, you might be tempted to give them a try. But how well do they work? Dr. Sandra Black, cognitive neurologist at Sunnybrook Health Sciences Centre, has the answer, as well as the latest research on other ways we can boost our memory.

It’s the holiday season and for many, visits from the inlaws or hosting holiday parties can be a stressful time. Dr. Melanie Badali, a clinical psychologist at North Shore Stress and Anxiety Clinic in North Vancouver, discusses how mindfulness can help people get through the holiday season.

Group A streptococcus has been in the headlines recently after 15 kids died in the U.K. Dr. Joanne Langley, a pediatrician specializing in infectious diseases, discussed what guardians and adults should know about this bacteria that can cause a range of illnesses.

You've probably heard that drinking eight glasses of water a day is key, but experts say that doesn't work for everyone. Dr. Jane Thornton, a sports medicine physician and former Olympic rower, debunks some of the water myths on this week's episode.

We’ve been hearing a lot about Ozempic recently. It’s a drug to treat diabetes, but it’s now becoming popular with celebrities and regular folks wanting to shed a few pounds. Dr. Ali Zentner, a Vancouver-based specialist in internal medicine, diabetes and obesity, shares what you should know about the drug.

The annual flu season is back. Recently, health officials have taken the step of calling the sharp increase in flu cases an “influenza epidemic.” Dr. Allison McGeer, an adult infectious disease physician at the Sinai Health System, walks us through everything you need to know about this year's flu season.

Parents have been dealing with a new challenge this cold and flu season: finding over the counter pain and fever medication for their kids. So this week on The Dose we’re asking: How should sick children and their parents cope with this medication shortage? Kelly Grindrod, a pharmacist and associate professor at the school of pharmacy at the University of Waterloo, has some tips for parents.

Colorectal cancer is the fourth most common cancer in Canada, but if caught early, many people have a good chance of surviving. But screening for it is key. Dr. Jill Tinmouth, lead scientist at the colorectal cancer screening program at Ontario Health and gastroenterologist at Sunnybrook Health Sciences Centre, speaks with guest host Dr. Peter Lin about colorectal cancer screening.

A lot more kids are heading to emergency rooms with symptoms of RSV so this week we're sharing what you should know about RSV. Dr. Fatima Kakkar, an infectious diseases pediatrician at Montreal's Sainte-Justine Hospital, shares what parents should know about the virus.

Millions of Canadians are without a family doctor or primary care provider. Dr. Peter Lin, a family physician and a director of the Canadian Heart Research Centre, spells out ways people can take charge of their health when they're in between or searching for a primary care provider.

Jen and Neil are a happily married couple in their thirties. From the outside, life is picture perfect. But behind their smiles lies a heartbreaking secret: they can’t get pregnant. Join CBC journalist Jen White and her husband Neil Hyde in this intimate and informative eight-part series on their yearslong struggle with fertility — a journey filled with hormone injections, transvaginal ultrasounds, tears, anxiety, shame, laughter, and hope. Listen to more episodes at: https://www.cbc.ca/listen/cbc-podcasts/1338-one-in-six

Breast cancer is the most common cancer among Canadian women and some experts want women to get routinely screened after they turn 40. Dr. Paula Gordon, a breast radiologist and a clinical professor in the University of British Columbia’s radiology department, breaks down how often women should be screened, how to be breast aware and why knowing your breast density matters.

This week on The Dose, we hear from one expert on what we know and don't know about the health effects of vaping and how it could help smokers quit cigarettes. David Hammond, a professor in the School of Public Health Sciences at the University of Waterloo, answers some of those questions and more.

Diet plays a significant role in our risk of getting cancer. But what foods are good, and what food and drink should we only eat in moderation? We’ll cover the latest research on cancer risk and red meat, alcohol, and sugar. All with the help of Rachel Murphy, assistant professor in the School of Population and Public Health at University of British Columbia and scientist at BC Cancer.

It's that time of year again: Time to get the annual flu shot. But this year, the influenza vaccines will roll out along with the bivalent shots and people have questions about timing of their vaccines. Dr. Brian Goldman spoke with Ashley Davidson, a pharmacist and owner of a Shoppers Drug Mart in Alberta.

A new, decade-long study published in the British Medical Journal suggests artificial sweeteners like aspartame and sucralose could put us at greater risk of cardiovascular diseases. This study joins many others with similar unfavourable findings. Leslie Beck, a registered dietitian and columnist, breaks down the potential risks of the sugar substitutes.

Health Canada approved a new COVID-19 bivalent vaccine booster from Moderna earlier this month. The updated shot builds on the original vaccine by adding protection specifically against the Omicron BA.1 variant. Dr. Lynora Saxinger, infectious diseases specialist at the University of Alberta, shares what you need to know as the boosters roll out.

The number of kids up-to-date on their routine immunizations has been dropping. Meanwhile, vaccine-preventable diseases have reappeared, with a confirmed case of polio in the U.S. The virus has also been detected in wastewater in the U.K. and Israel. Dr. Sloane Freeman, a pediatrician at St. Michael's Hospital, shares what she's seeing in her practice — and what parents can do to get their kids caught up.

Balance is crucial to our overall well-being. But it can be challenged at any age, and we start to lose our balance in our 50s. The good news is that simple exercise can help maintain and even restore balance. Lisa Hoffart, a physiotherapist with Canadian Sport Institute Calgary and Group 23 Sports Medicine helps answer: Why is it important to maintain my sense of balance as I age?

Intrauterine devices, also known as IUDs, are a popular form of birth control in this country. This week on The Dose, Dr. Renée Hall, medical director of Kelowna General Hospital's Women’s Services Clinic, shares what you need to know about IUDs.

Mask mandates have been lifted in several provinces, though some hospitals and long term care homes are still insisting on masks. But Omicron and subvariants have not disappeared. So this week we’re asking: What should I do when the mask mandates are lifted? Raywat Deonandan, an epidemiologist and associate professor at the University of Ottawa, helps us navigate.

British Columbia has become the first jurisdiction in Canada to decriminalize the possession of small quantities of illicit drugs like opioids, cocaine and crystal meth. This move is part of a big idea called harm reduction. So how much could drug decriminalization help with harm reduction? Dr. Hakique Virani, an addiction medicine and public health physician in Edmonton, explains.

There are plenty of ads for supplements that supposedly boost our memory. If you’re worried about memory loss, you might be tempted to give them a try. But how well do they work? Dr. Sandra Black, cognitive neurologist at Sunnybrook Health Sciences Centre, has the answer, as well as the latest research on other ways we can boost our memory.

Monkeypox is a viral infection that’s usually found in parts of Africa. But the current outbreak has shown up in countries including the U.K., Spain, Portugal, Australia, the United States and Canada. That’s just one of several things that has doctors puzzled. So this week we’re asking: What do I need to know about monkeypox? We get some clues from Lynora Saxinger, an infectious diseases specialist with the University of Alberta.

More than a dozen possible cases of severe acute hepatitis in children have popped up in Canada and many –including parents and researchers– are trying to figure out why. This week, we speak to Dr. Tehseen Ladha, a pediatrician and assistant professor in the Department of Pediatrics at the University of Alberta.

Running or jogging is said to be one of the best cardio exercises you can do to stay in shape. But it’s not for everyone. This week we spoke with Dr. Jane Thornton, sports medicine physician and Canada Research Chair in Injury Prevention and Physical Activity for Health at Western University, about how running can help us stay healthy, how to start running and proper form.

Vitamin D has been touted as a "wonder treatment" with a lot of health benefits. But what can vitamin D actually do for my health? This week on The Dose, Dr. Peter Lin, a Toronto-based family physician, speaks about what the research shows, dosage amounts, and much more.

Since the first days of the pandemic, people who have recovered from the coronavirus have complained of long COVID symptoms. There’s still a lot to learn about the condition, but researchers are looking for answers. We spoke with Manali Mukherjee, assistant professor of medicine at McMaster University and affiliate scientist with the Research Institute of St. Joe’s Hamilton.

This year's allergy season has come early in parts of Canada, with some specialists saying there's growing evidence to suggest a connection to climate change. We spoke with Dr. Anne Ellis, professor of medicine and chair of the Division of Allergy and Immunology at Queen's University.

The sixth wave of COVID-19 has seen an increase in hospitalizations and more ICU admissions. What’s different this time is that we have a new medication called Paxlovid that can keep at-risk people out of hospital. We hear all the details on Paxlovid from Kelly Grindrod, a pharmacist and associate professor at the school of pharmacy at the University of Waterloo.

COVID case counts are once again climbing in many parts of Canada along with hospitalizations. This week, the National Advisory Committee on Immunization (NACI) recommended that a fourth dose of the COVID-19 vaccine be given to all Canadians ages 80 and up.

You may have heard of prebiotics and probiotics, but now there’s a new term used by researchers: postbiotics. This week we’re asking: What do we know about postbiotics? We speak with Jennifer Stearns, assistant professor at McMaster University’s department of medicine.

Psychedelics are no longer just illegal street drugs. A lot of research has come out about their benefits as treatments for people with mood and other mental health disorders. So what do we know about how psychedelics can treat mental illness? We hear from Dr. Robert Tanguay, clinical assistant professor at the University of Calgary and Chief Clinical Medical Officer at the Newly Institute.

Countries in the European Union are seeing a steep rise in COVID-19 cases, just weeks after lifting COVID-19 measures. Meanwhile, in most parts of Canada, pandemic restrictions are being eased. So with provinces lifting mask mandates, should I still wear a mask? We hear from Jason Tetro, a microbiologist and author of The Germ Files.

If you haven't been in to see your family doctor in the last two years, now may be the time to do it. So if I haven't had my regular checkup since before the pandemic, what should I ask my doctor? We find out from Dr. Peter Lin, a Toronto-based family doctor and a director at the Canadian Heart Research Centre.

Some sleep experts in Canada have seen a rise in insomnia and sleep-related complaints since the start of the pandemic. For some people, sleep aids can help them get some much-needed rest. Dr. Brian Goldman, host of CBC podcast The Dose, spoke with Dr. Elliott Lee, a sleep specialist at the Royal Ottawa Mental Health Centre, about what we know about how effective sleep aids are in helping people stay asleep.

Canada and many other parts of the world are lifting restrictions and trying to move on from COVID-19. But not everyone is ready to ditch the mask and other pandemic measures. Dr. Steven Taylor, a clinical psychologist and professor in the Department of Psychiatry at University of British Columbia, shares insight on how people can navigate society with fewer COVID-19 restrictions.

Denmark was one of the first countries to lift all of its COVID-19 restrictions earlier this month.The government says they no longer consider COVID-19 "a socially critical disease" and they’re learning to live with it. What can Canada take away from Denmark’s ‘live with COVID’ approach? We find out from Raywat Deonandan, an epidemiologist and associate professor at the University of Ottawa.

Kids under five are the only age group that aren’t eligible for a vaccine yet. Vaccine manufacturers are working on vaccines for young children, but parents and guardians have a lot of questions while they wait. What do we know about COVID-19 vaccines for kids 5 and under?  We find out from Dr. Cora Constantinescu, a pediatrician and infectious diseases physician at Alberta Children's Hospital in Calgary.

Omicron is still the dominant coronavirus strain in the country. But lately we’ve been hearing about what’s been dubbed the “little sister” of Omicron, known as subvariant BA.2. So what do we know about this Omicron subvariant? We find out from Angela Rasmussen, a virologist at the University of Saskatchewan's Vaccine and Infectious Disease Organization (VIDO).