Ray Cronise on Extreme Fasting, Cold Stress, Rapid Weight Loss (Part 1)

Ray Cronise is a scientist focused on diet and nutrition advice. He helped Penn Jillette's lose 100lb with a plant-based diet. A former NASA scientist and Matthew Kenney Culinary graduate, he's teamed up with leading academic researchers at institutions such as Harvard and the National Institutes of Health to publish work at the intersection of healthspan and plant-based diets. He's been featured by Wired Magazine, TEDMED 2010, ABC Nightline,The Atlantic,The Daily Beast, Men's Journal, The Gu...