Harvard Heart Letter

Think FAST to recall the warning signs of a stroke

One in six people worldwide will have a stroke in his or her lifetime. Learn to recognize a "brain attack."

Heart attacks often make themselves known with a hard-to-ignore, obvious symptom like chest pain. That's not the case for strokes, which can cause a wide range of symptoms that may affect your ability to speak, see, move, or feel. A stroke interrupts blood flow to the brain, depriving brain cells of oxygen and nutrients. Prompt treatment can prevent a potentially devastating disability or death—which is why everyone should know the top warning signs of stroke.

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