Few bodily functions are as misunderstood as blood clots. While most people have heard about blood clots in the heart or brain causing serious issues or even death, fewer realize that blood clotting ...

Period blood clots the size of raisins are normal and common during a heavy flow. But clotting may be a cause for concern if the clots are larger than a quarter or accompanied by heavy bleeding that ...

Blood clots are among the most feared medical emergencies, and for good reason. They can lead to heart attacks, strokes and death. But not all clots are dangerous. In fact, clotting is a natural and ...

This article was medically reviewed by Carolyn Swenson, M.D., an assistant professor of obstetrics and gynecology and member of the Prevention Medical Review Board. Even though blood clots sound scary ...