<div><b>More than 1 million copies sold internationally</b><br><br>With quirky charm, rising science star Giulia Enders explains the gut’s magic, answering questions like: Why does acid reflux happen? What’s really up with gluten and lactose intolerance? How does the gut affect obesity and mood? Enders’s beguiling manifesto will make you finally listen to those butterflies in your stomach: they’re trying to tell you something important.<br><br>. . . a truly bottoms-up approach to our digestive health, smoothly moving us through the inner workings of our gastrointestinal tract.” Anish Sheth, MD , author of<i>What’s Your Poo Telling You</i></div>