The researchers noted, however, that the additional risk of stroke in people with type A blood is small, so there is no need for extra vigilance or screening in this group. "We still don't know why ...

A blood test may rapidly distinguish brain bleeds from clot-caused strokes, even before people with stroke symptoms reach the emergency room, according to a preliminary study presented at the ...

People who are curious about their blood type can ask a doctor for a quick blood test. Many people learn their blood type when they donate blood for the first time. People with rare blood types ...