In this External Medicine Podcast interview, Mitch Belkin and Daniel Belkin speak with Stephan Guyenet, PhD, about Glucagon-like peptide-1 (GLP-1) and Semaglutide. They discuss GLP-1’s mechanisms of action, Anthony Sclafoni’s experiments on food reinforcement and nutrient receptors in the small intestines. Finally, they touch on some exciting new weight loss drugs that may replace Semaglutide and potentially even bariatric surgery. This podcast was released on January 3, 2022.

Who is Stephan Guyenet?
Dr. Stephan Guyenet received his PhD in Neurobiology and Behavior from the University of Washington. Afterward, he completed a postdoctoral fellowship in the neuroscience of obesity. He is the author of the book The Hungry Brain. Dr. Guyenet is the founder & director of Red Pen Reviews, which publishes expert reviews of popular nutrition books with structured semi-quantitative evaluations. In addition, he is a senior researcher at GiveWell where he conducts cost effectiveness analyses on water quality interventions and malnutrition treatments in low income countries.

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