Gut: the inside story of our body's most underrated organ

Gut feeling. How does pooping work? And why that's an important question ; The gateway to the gut ; The structure of the gut ; What we really eat ; Allergies and intolerances

The nervous system of the gut. How our organs transport food ; Reflux ; Vomiting ; Constipation ; The brain and the gut

The world of microbes. I am an ecosystem ; The immune system and out bacteria ; The development of the gut flora ; The adult gut population ; The role of the gut flora ; The bad guys: harmful bacteria and parasites ; Of cleanliness and good bacteria

Update on the brain-but connection. New discoveries ; Clever cravings for fermented foods.