
Your digestive system is like a production line. Food, drinks, or pills travel through tubes, filters, and holding rooms, as body chemicals work to extract nutrients. This fascinating book explores gut microbiomes, human waste, and how the digestive system identifies problems...

Your digestive system is like a production line. Food, drinks, or pills travel through tubes, filters, and holding rooms, as body chemicals work to extract nutrients. This fascinating book explores gut microbiomes, human waste, and how the digestive system identifies problems...