An estimated 240 Canadians die from cancer every day. Now, a growing number of companies are offering cancer-detecting blood tests. Some claim they can detect signs of more than 50 types of cancer. Princess Margaret oncologist and researcher Dr. Raymond Kim says liquid biopsies show promise, but there are good reasons to think twice before paying for one.

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.

Sports betting ads promise big payouts and quick cash. But new research shows gambling-related ER visits nearly doubled in Ontario after online betting expanded, raising concerns about a larger public health issue. Addiction researcher Andrew Kim says avoiding specific games can lower the risk of developing a gambling problem.

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.

More than 750,000 Canadians live with dementia, including Alzheimer’s. Many more, like host Dr. Brian Goldman, worry they could develop it. Now, U.K. researchers are testing whether the drug trontinemab could prevent Alzheimer’s before symptoms appear. Dr. Ramin Nilforooshan, a psychiatrist involved in the trials, explains what Alzheimer’s prevention could mean — and what you can do now.

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.

Social media is filled with people discussing their mental health symptoms, often encouraging others to consider getting a diagnostic label as well. Dr. Gail Beck, a child psychiatrist at the Royal Ottawa Mental Health Centre, says experts like her are seeing more young patients seeking a diagnosis, while others are asking about neurodivergence.

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 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.