Can a Plant-Based Diet Prevent Alzheimer’s? Dr. Michael Greger Explains the Science

Can a Plant-Based Diet Prevent Alzheimer’s? Dr. Michael Greger Explains the Science

32:24 Jan 15, 2026
About this episode
Did you know that populations that primarily eat plant-based diets have dramatically lower rates of dementia? In this episode, Dr. Michael Greger, a renowned physician and author, shares groundbreaking research on how nutrition, particularly plant-based diets, affects Alzheimer's prevention.We examine the science behind heart-healthy, brain-boosting foods, emphasizing the importance of a whole-food, plant-based diet for overall well-being. You’ll learn how simple dietary changes can alter the course of cognitive health and how the latest studies are reshaping our understanding of brain aging.Whether you’re looking to prevent Alzheimer’s or simply optimize your brain health, Dr. Greger offers actionable advice supported by decades of research. Tune in to discover how small changes in your diet can have a profound impact on your cognitive function and longevity.“Alzheimer's is related to the atherosclerotic buildup of plaque inside the intracranial arteries in the brain. So the same dietary changes that can help with cardiovascular health can also help with cognitive health. In other words, what's good for the heart is good for the head.” ~ Dr. Michael Greger, M.D. FACLMIn this Episode00:00 - Introduction to Dr. Michael Greger02:28 - The importance of lifestyle for brain health04:50 - How heart-healthy diets support brain health06:40 - Practical tips for adopting a plant-based diet wherever you are10:00 - The ketogenic diet debate14:27 - How pollutants affect brain health16:46 - The link between diabetes and Alzheimer's22:04 - Dr. Greger's thoughts on lab testing24:28 - Debunking common myths about plant-based eating28:07 - How to stick to healthy habits29:59 - Is fasting good for cognitive health?Resources:- Top Supplements for Alzheimer's Guide - https://bit.ly/drjoshguide- How Not to Age by Dr. Michael Greger - https://nutritionfacts.org/book/how-not-to-age/Connect with Dr. Michael Greger, M.D. FACLM: - Website - https://drgreger.org/- Instagram
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