Dr. William Davis is the author of many best-selling books, including Wheat Belly and Super Gut. During his second appearance on this podcast, Bill talks about the potential benefits of adding probiotics like lactobacillus reuteri to one's microbiome, the benefits of fermented foods, the many negative side effects of wheat, how modern diets seem to contribute to various mental illnesses, and a diet that he would recommend to live a healthy life in modern times.