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 ...

If you have bleeding in your gastrointestinal tract, you may experience blood in your stool or stool that is darker and sticky. It could indicate a severe health issue with your stomach, intestines, ...

The physiological stress of surgical injury on the gastrointestinal tract can result in a profound shift in gut microbiota abundance, function and spatial location Postsurgical re-establishment of the ...