Why American Life Expectancy Is Plunging

About this episode

Harvard epidemiologist Dr. Walter Willett joins Dan Buettner to unpack over 40 years of groundbreaking research tracking 300,000 lives. Together, they shatter persistent nutritional myths surrounding the low-fat craze of the 1980s, the truth about seed oils, and why the war on carbohydrates missed the mark. Discover how daily habits, community environments, and smart food choices—including Dr. Willett's famous 72-cent lunch—impact your long-term health. Whether you want to beat the odds of type 2 diabetes, understand the reality of red meat, or learn how local communities can reverse national health trends, this episode delivers actionable science to help you live to 100. Learn more about your ad choices. Visit megaphone.fm/adchoices