Silent strokes can jeopardize memory, from Harvard Women's Health Watch

The symptoms of a stroke are sometimes obvious, like numbness or weakness on one side of the face, trouble speaking, difficulty walking, and vision problems. Some strokes, though, pass completely unnoticed. But even these can have a significant and lasting effect on memory, reports the June 2012 issue of the Harvard Women's Health Watch.

These so-called silent strokes create pinpoints of dead cells in the brain. The damaged areas are smaller than with a traditional stroke, and often don't affect areas of the brain associated with movement or speech.

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