Stephan Guyenet, PhD, explains how our appetites and food choices are led astray by ancient, instinctive brain circuits that play by the rules of a survival game that no longer exists. And these circuits don’t care about how you look in a trisuit next summer.   IN THIS EPISODE YOU'LL LEARN ABOUT: -The Food Reward system -The brains valuation of food and Optimal Foraging Theory -Delay Discounting and the Stanford Marshmallow experiment -How the lipostat works against your attempts to reduce body fat -Satiety, and the factors that can increase (and decrease) our satiety per calorie   SHOWNOTES: www.thattriathlonshow.com   SPONSORS: Precision Hydration - One-size doesn't fit all when it comes to hydration. Take Precision Hydration's FREE sweat test and learn how you should hydrate. Use the discount code THATTRIATHLONSHOW for 15% off any products.      LINKS AND RESOURCES: - Stephan's website - The Hungry Brain  - Examine.com Research Digest   RATE AND REVIEW: If you enjoy the show, please help me out by subscribing, rating and reviewing: www.scientifictriathlon.com/rate/   CONTACT: Want to send feedback, questions or just chat? Email me at mikael@scientifictriathlon.com or connect on Twitter - my handle is @SciTriat.