#248: On today's episode we are joined by Ben Greenfield. Ben is a former bodybuilder, Ironman triathlete, human performance consultant, speaker and author of 13 books. Ben has been voted by Greatist as one of the top 100 Most Influential People In Health And Fitness. He specializes in anti-aging, biohacking, and achieving an ideal combination of performance, health and longevity. On today's episode we discuss fasting, better sleep, dirty electricity, good vs. bad light, nutrition and much more.