Emergic: Rajesh Jain's Blog

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Keeping Brains Fit

November 19th, 2006 · No Comments

WSJ writes:

The key to keeping intellectually sharp as we age may not be mental gymnastics, as commonly recommended, but real gymnastics.

According to a new study, the brain’s long, slow decline may not be inevitable. For the first time, scientists have found something that not only halts the brain shrinkage that starts in a person’s 40s, especially in regions responsible for memory and higher cognition, but actually reverses it: aerobic exercise. As little as three hours a week of brisk walking — no Stairmaster required — apparently increases blood flow to the brain and triggers biochemical changes that increase production of new brain neurons.

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