In the 1966 sci-fi film Fantastic Voyage, a group of scientists ventures inside the body of an injured colleague to save him from a life-threatening blood clot. They get a front-row seat to the ...

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 ...

The digestive system is like a big food factory inside our bodies. Its job is to break down the food we eat into smaller pieces so that our bodies can absorb the nutrients from the food to help us ...

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