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 ...

This article – the second in a six-part series on the gastrointestinal tract – describes the role of the stomach in chemical and mechanical digestion, regulation of hunger, eradication of pathogens ...

Part 1 and part 2 in our series about the gastrointestinal (GI) tract looked at the role of the mouth, oesophagus and stomach in mechanical and chemical digestion. This third part of the series covers ...