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Podcast Episode

How to Protect Your Brain From Dementia

The Dr. London Podcast··15 October 2026·26 min

About this episode

How does heart health relate to dementia? More than you might think. In this episode, Dr. Jeremy London explores the connection between cardiovascular and brain health, explains the major types of dementia, and discusses risk factors such as age, genetics, high blood pressure, smoking, and cholesterol. He also breaks down how exercise, nutrition, hearing and vision care, and social connection may help reduce dementia risk—with practical steps you can start taking today to support your heart and brain. Thank you to our sponsors: Rho Nutrition: Get 25% off the most bioavailable supplements on the market by heading to ⁠https://rhonutrition.com/london⁠ (Code: LONDON) Function Health: Get the same 160+ lab tests that my family and I get for less than $1/day at: https://functionhealth.com/london Jeremy London, MD: My Newsletter: https://www.drjeremylondon.com/newsletter Instagram: https://www.instagram.com/drjeremylondon/ TikTok: https://www.tiktok.com/@drjeremylondon Facebook: https://www.facebook.com/drjeremylondonmd Timestamps: 00:00 Understanding Dementia and Its Impact on Families 02:58 The Main Types of Dementia 03:38 Age, Genetics, and Alzheimer’s Risk 06:54 Modifiable Risk Factors: The Heart–Brain Connection 08:06 High Blood Pressure and Brain Health 10:07 Smoking, Blood Vessels, and Stroke Risk 11:47 ApoB, Cholesterol, and Statins 15:13 Blood Sugar, Visceral Fat, and Insulin Resistance 16:38 Education and Lifelong Brain Health 17:09 Hearing Loss and Vision Loss 18:08 Head Injuries and Dementia Risk 18:48 Social Connection and Depression 19:28 Alcohol, Air Pollution, and Toxins 20:58 Practical Steps to Support Your Brain ** The information in this video is not intended nor implied to be a substitute for professional medical advice, diagnosis or treatment. All content, including text, graphics, images, and information, contained in this video is for general information purposes only and does not replace a consultation with your own doctor/health professional ** Learn more about your ad choices. Visit megaphone.fm/adchoices