Wellness influencers on social media are touting injectable peptides as a new wonder drug, claiming compounds like BPC-157 can improve muscle strength, boost recovery times and even increase longevity. But University of Alberta health misinformation expert Tim Caulfield says the evidence doesn’t support the hype, and warns people against injecting unregulated substances.

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A recent survey found roughly three million Canadians are taking GLP-1 medications like Ozempic and Mounjaro. The drugs can reduce appetite and cravings, and could also affect the body’s fat and muscle stores. Registered dietitian and Obesity Canada's Jennifer Brown says people on GLP-1 drugs may need to be more intentional about what they eat — from protein and micronutrients to fibre and fluids.

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.

Researchers in Canada and around the world are exploring ways stem cells could help treat conditions like diabetes, Parkinson's and heart disease, but the hype sometimes outpaces the science. Neurosurgeon and researcher Dr. Sheila Singh of McMaster University and King’s College London explains what stem cells can—and can’t—do, including why they’re no miracle cure for aging.

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.