"From biohacker and author of Head Strong, Game Changers, and Super Human comes the ultimate guide to hacking intermittent fasting"-- Asprey has been fasting for years, long before it gained widespread popularity. Here he asks readers to forget everything they think they know about the ancient practice and takes them on a journey through cutting-edge science to examine ways readers can up-end their relationship with food and upgrade their fasting game beyond calorie restriction. -- adapted from jacket Provided by publisher.

Prologue: Fasting to find your best self -- Fasting is only in your head -- Enlisting your molecular machines -- Many stages and many styles of fasting -- Fast for long life -- Fast for better sleep; sleep for a better fast -- Fast for fitness and strength -- Fast for mental and spiritual health -- Supplements to fine-tune your body -- It's a little different for women -- Fast every way: a how-to guide -- Conclusion: Fast in peace.