The inner lining of the small intestine nearly doubles in size during pregnancy and breastfeeding, according to new research in mice and human tissue. During pregnancy, the breasts expand ...

Medically reviewed by Qin Rao, MD A perforated bowel, or intestinal perforation, occurs when a hole forms in the wall of the ...

Digested food is absorbed in the small intestine. This means that it passes through the wall of the small intestine and into the bloodstream. The blood then carries the useful substances around ...