The hazards associated with microplastic pollution are becoming increasingly recognized. However, one study suggests that researchers have misjudged the impacts of nanoplastics — the insidiously ...

New research finds there is significant variation in the anatomy of the human digestive system, with pronounced differences possible between healthy individuals. The finding has implications for ...

An introduction to the amazing functions of the human body's digestive system. An introduction to the amazing functions of the human body's digestive system. Our continued survival as individuals and ...

Stomach acid, digestive enzymes, or bile salts may kill probiotics before they reach the large intestine. Some people's digestive systems don't accept new bacterial strains, so the bacteria can't take ...