10/20/2009 05:12 am ET Updated Nov 17, 2011

Healthy Brain Habit: Get Exercise

We know that exercise is good for the body, but it's also incredibly good for the brain. As the authors of "The Sharp Brains Guide to Brain Fitness: 18 Interviews with Scientists, Practical Advice, and Product Reviews to Keep Your Brain Sharp" point out, physical exercise is one of the four pillars of brain fitness, the other three being good nutrition, stress management, and mental stimulation.

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