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August 12, 2025 72 mins

For more than 30 years, Dr. Christopher Gardner—Rehnborg Farquhar professor of medicine at Stanford, and nutrition scientist—has studied what to consume and to avoid for optimal health, and how best to motivate individuals to achieve healthy dietary behaviors. He recently completed a two-year term serving on the U.S. Dietary Guidelines Advisory Committee and is the past chair of the American Heart Association’s Nutrition Committee.

He has conducted and published dozens of human nutrition intervention trials, including trials of Mediterranean, Ketogenic, Vegan, Low-Fat and Low-Carb diets and their effects on cardiometabolic health. He was also the keynote speaker for the 6th Canadian Plant-Based Nutrition Conference this year, where he delved into his “Twin Study”, which was featured in a Netflix docuseries titled “You Are What You Eat: A Twin Experiment.”

Dr. Gardner joins the PBC Podcast to bust down some of the comments and criticism around his Twin Study, discuss how he weighs strength of evidence, and misinformation around plant-based meat alternatives. 

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You are What You Eat docuseries

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Check out University of Guelph's online Plant-Based Nutrition Certificate. Each 4-week course will guide you through essential plant-based topics including nutritional benefits, disease prevention, and environmental impacts. You can also customize your learning with unique courses such as Plant-Based Diets for Athletes and Implementing a Plant-Based Diet at Home. As the first university-level plant-based certificate in Canada, you’ll explore current research, learn from leading industry experts, and join a community of like-minded people. Use our exclusive discount code PBC2025 to save 10% on all Plant-Based Nutrition Certificate courses. uoguel.ph/pbn.

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