Rome — Pope Francis underwent intestinal surgery Wednesday, two years after he had 13 inches of his colon removed because of an inflammation and narrowing of the large intestine. The procedure ...

Pope Francis was in “good general condition” Thursday, alert and breathing on his own, following a three-hour operation to remove intestinal scar tissue and repair a hernia in his abdominal wall, the ...

Healthy digestion depends on a delicate balance of fluid in the gut. At the heart of that balance are epithelial cells, which line the intestinal wall and control how salt and water move in and out of ...

While this image might look like a multicolored tile floor, it is actually a cross section through the fingerlike bumps on the intestinal wall called villi. The cells within the villi, which you can ...

Diverticulosis is a condition where small pouches form and protrude through weak spots in the intestinal wall. Diverticular bleeding happens when a blood vessel in a pouch bursts. Diverticular ...

Your abdominal muscles keep your organs and intestines in place. The protrusion of abdominal organs through a weak spot in the abdominal wall is called a hernia. Ventral hernias involve the front part ...

The human immune system changes with age. Immune responses start to become less robust as people get older, which makes them more vulnerable to certain infections and diseases. However, immune system ...