Few organs are as crucial for health as the gut: Our body weight, mood, and immune system are influenced by the bacteria that thrive there. Doctor and bestselling author Dr. Michael Mosley explains what disrupts gut balance and leads to allergies, food intolerances, and obesity. He shows how we can heal our bodies from the inside out and provides scientifically backed tips for a healthy gut flora. With over 50 gut-friendly recipes and a 2-step diet plan for targeted gut regeneration.