The instant New York Times, USA Today, and Publisher's Weekly bestsellerA bold new plant-based plan that challenges popular keto and paleo diets, from an award-winning gastroenterologist.The benefits of restrictive diets like paleo and keto have been touted for more than a decade, but as renowned gastroenterologist Dr. Will Bulsiewicz, or "Dr. B," illuminates in this groundbreaking book, the explosion of studies on the microbiome makes it abundantly clear that elimination die