Waking up to a pounding headache after a bachelorette party, The Daily Beast's Elizabeth Gates chalked it up to the revelry. Then she found she couldn't speak. Three months later, she writes about having a major stroke at an unthinkably young age.

We've all got the power to prevent a stroke. And movie legend Cicely Tyson is on a personal crusade to reduce the number of strokes among black Americans.