An apple a day-plus a walk-might contribute to a longer life

The secret to longevity could lie in some basic good advice: Eat your fruits and vegetables and exercise daily.

A study in the Journal of the American Geriatrics Society suggests that women who follow these recommendations might live longer than those who don't. The connection between diet and exercise and longevity is nothing new, but this study was unique in that it looked at diet and exercise combined. It included 713 women, ages 70 to 79, who were enrolled in the Women's Health and Aging Studies.

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