Aerobic exercise boosts memory

Regular walking improved seniors' recall

By Laura Sanders, 16:47 PM January 31, 2011

A year of moderate exercise doesn’t just bulk up muscles — it beefs up the brain, too, a new study finds. A memory center in the brain called the hippocampus shrinks a little bit each year with age, but older adults who walked routinely for a year actually gained hippocampus volume, researchers report in a study to appear in the Proceedings of the National Academy of Sciences.

“I think it’s a very exciting contribution to see that walking at a fairly vigorous rate will actually affect a ke...

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