Gut

Gut: The Inside Story of Our Body's Most Underrated Organ (Revised Edition) by Giulia Enders, Greystone Books, 2018. 

A book for the lay person written by a German gastroenterologist. Topics: 

• Mouth

• Tonsils

• Esophagus

• Stomach

• Small intestine

• Vermiform appendix

• Large intestine

• Fat absorption by lymphatic system

• Celiac disease

• Lactose intolerance

• Feces

• Acid reflux

• Intestinal nervous system

• Nausea

• Flatulence

• Motion sickness

• Constipation

• Irritable bowel syndrome

• Immune system

• Gastric ulcers

• Intestinal parasites

• Antibiotics

• Probiotics

• Prebiotics

• Fermented foods

• Intestinal microbes (much material)

• Brain-gut connection