Americans are drinking less than they have in decades. But a new study on mice shows even one bottomless brunch may shrink the small intestine’s nutrient-absorbing surface and spark inflammation that ...

You may think of the small intestine as a smooth tube that winds its way through your abdomen. But if you were to look really closely at the inside of the intestine, you would see that it is lined ...

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 ...