The Dose

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.

H5N1 is in the news again, and this time it has spread to cattle in several U.S. states. It has even infected a dairy worker in Texas. Global health epidemiologist Raywat Deonandan explains how avian flu is spreading, how transmissible it is, what vaccines are available, and why we shouldn't be too worried just yet.

Timely access to dental care doesn't just help improve your oral hygiene, it can also help maintain your overall physical wellbeing. Canadian Dental Association president Heather Carr explains why a healthy mouth translates into a healthy body, and how we can best protect our oral health.

A once-in-a-lifetime solar eclipse is right on the horizon, but don't forget to protect your eyes. Ophthalmologist Dr. Yi Ning Strube explains how staring at a solar eclipse can damage our eyes, while offering advice on how we can protect our vision and still enjoy a natural wonder.

Anecdotally, nicotine pouches are becoming more popular with young people in Canada — despite the potentially harmful health effects. Dr. Nicholas Chadi, a pediatrician and researcher in adolescent and addiction medicine, explains how these pouches are being marketed and how they could be harming youth. 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.

Evidence shows there are health benefits to stretching as its own physical activity, not just before or after a workout. Human kinetics and recreation professor David Behm explains the health benefits of stretching, saying that doing it even for a few minutes a day can improve our overall physical wellness.

We all face stresses in our lives, from getting stuck in traffic to arguing with our partner to losing a loved one. What is all that stress doing to our bodies, and what can we do to manage it? Dr. Zindel Segal, distinguished professor of psychology and mood disorders at the University of Toronto Scarborough, 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.

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.

If someone near you goes into cardiac arrest, your quick actions could help save their life. Dr. Roopinder Sandhu, professor in cardiac sciences at the University of Calgary, shares what you need to know about basic life support and how to prevent cardiac arrest. For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday.

Measles cases are on the rise around the world — including countries with ready access to vaccines. Here in Canada, several cases have been reported, with public health officials encouraging residents to get vaccinated if they aren't already. Infectious diseases specialist Dr. Zain Chagla explains the dangers of measles and provides insight into why a disease thought to be eradicated in some countries is surging once again.

Most of us assume that our memories get worse as we grow older, but it's not as simple as that. Natasha Rajah, a TMU psychology professor who conducts neuroscience research, helps explain why some of our memories often remain just as strong in old age as when we're younger, as well as how changes in our brain as we get older influence our ability to retain and retrieve information.

Recreational cannabis has become increasingly potent since Canada legalized it in 2018. That means intense and longer-lasting highs. Psychiatrist Dr. Philip Tibbo sheds light on what high-potency cannabis is, its physical and mental effects, and how to safely consume the drug.

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.