"It's pretty amazing what you can do when you're in charge of your own biology." -Dave Asprey "It's pretty amazing what you can do when you're in charge of your own biology."  That's something Dave Asprey, a Silicone Valley investor, learned about his health after being able to lose over 100 pounds, regain health, and even significantly improve his IQ by "hacking" his own biology. Dave joins Dr. Friedman to explain how he made these dramatic health improvements, as well as share some insights from his New York Times bestselling book, The Bulletproof Diet. Dave also discusses the importance of identifying mold sources and his upcoming documentary on the topic, Moldy.