You may have heard your car has a four-stroke engine, but you're not sure what that means. Why are there four? And what is a stroke, anyway? A modern gas engine most commonly uses pistons and a ...

Albert Stowell's family thought he was having a stroke. It was Easter dinner 2014, and they were all gathered around the table when he started slurring his words. A trip to the emergency room and a CT ...

Rebuilding the brain As soon as 24 to 48 hours after a stroke, physical therapists like Moriello will begin to mobilize a stroke patient, asking them to get out of bed, stand up, and walk around. A ...

Warning strokes can last for less than a minute but require immediate medical attention. SCIENCE PHOTO LIBRARY via Getty Images Strokes are a leading cause of death in the U.S., with nearly 800,000 ...