Staying Sharp: Can You Prevent Alzheimer's Disease?

The latest research suggests that exercising your brain—and your heart—may help

Laura Pizzuto, 78, of Seattle admits she loses her words every now and then. An avid gardener, she will sometimes forget the name of a familiar plant. "But I know how to look things up," she says. "Or I can go to the library or call a friend." Occasional memory lapses are not going to slow down this professional artist. "I want to keep myself going so I can work and enjoy my grandchildren," she says.

To that end, Pizzuto is doing everything she can to keep her brain, as well as the rest of her body, in top shape. The...

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