Deep vein thrombosis (DVT), a condition that causes a clot in a vein (often in your legs), can sometimes develop without warning—especially when you’re traveling or seated for long stretches at a time ...

That pesky swelling in your legs may actually be blood clots, or deep vein thrombosis. Here's how to spot it - and how to prevent it.

When most of us think of a serious medical emergency, we usually think of sudden events such as heart attacks, strokes or serious injuries from a car crash. But some threats develop quietly, with ...