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.