The Dose

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 says Canada’s schedule hasn’t changed, but she worries the U.S. move could create confusion and fuel vaccine hesitancy here.

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.  

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.

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.

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. Research from SickKids show that e-scooters made up 85 per cent of all battery-powered device injuries between 2021 and 2024. Dr. Daniel Rosenfield is a pediatric emergency physician at SickKids, who 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, mess with our body's internal clocks. Rébecca Robillard is an associate professor at the University of Ottawa and co-chair of the Canadian Sleep Research Consortium. She 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 one third of Canadian adults are obese, and ultra-processed foods are a major culprit. Leading nutrition scientist Kevin Hall recently co-wrote a 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. 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% 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. Fill out our listener survey here. We appreciate your input! 

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 say they think AI like ChatGPT are reliable sources of information, physician groups like the Ontario Medical Association are warning against turning to AI for medical help. Family physician Dr. Danielle Martin explains why she thinks AI chatbots can be useful, even if she does warn against trusting AI like ChatGPT for health 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. Fill out our listener survey here. We appreciate your input!