A transient ischemic attack (TIA), or mini-stroke, is a temporary blockage of blood flow to the brain, often causing sudden ...

The goal is to avoid complications like blood clots, which may happen because PV thickens your blood. When blood gets thick, it can stick together and form clots inside your veins. This can happen ...

Thicker blood is also more likely to form a clot -- a clump of blood that stops up a vein or artery. Blood clots can lead to life-threatening problems such as a pulmonary embolism,heart attack ...

Each year, nearly 800,000 people in the U.S. have a stroke, and this most often occurs because a blood clot has blocked blood flow to the brain (an ischemic stroke), researchers said in background ...