An expert MD explains what red poop could mean for you, from harmless causes to signs of something more serious. The post ...

An anal fissure is a tear in the lining of your anal canal. Like a hemorrhoid, it often happens after straining to pass a hard stool. Anal fissures are easily mistaken for hemorrhoids. They both ...

Patients are kept on a heart-lung machine for only as long as it takes to stop the heart from beating, complete open-heart surgery or a procedure on the lungs, and restart the heart. A heart-lung ...