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How Exercise Can Change Your DNA

Scientists discover that physical activity leads to beneficial changes in gene activity, even after a single workout.

Why Active Video Games Don’t Make Kids Exercise More

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The problem with exercise games is that to benefit, you actually have to play them

Virtual Exercise Games Help Elderly Remain Mentally Sharp

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Virtual games aren’t just for kids any more. Navigating virtual worlds helps grandma and grandpa stay physically and cognitively healthy.

Why Kids Aren’t Exercising in Day Care

Jason Edwards

Kids want to play, so what’s stopping day care centers from letting children be physically active?

Let the Kids Play: They’ll Do Better in School

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Think that physical activity is just good for the body? Turns out exercise can help youngsters do better in school too

Family Matters

Childhood Obesity: Most U.S. Schools Don’t Require P.E. Class or Recess

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Too many kids weigh too much, but too few states and schools require recess or follow recommended guidelines for physical education.

Gym vs. Genes: How Exercise Trumps Obesity Genes

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Our genes may have a lot to do with the way we look and behave, but they certainly don’t dictate our destiny. That’s true when it comes to our weight too.

Study: An Early Bedtime May Help Keep Teens Fit

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A new study finds that teens who went to bed early and got up early were thinner and fitter than kids who slept late. The findings, published in the journal Sleep, suggest that it’s not just the amount of sleep that kids get, but when they get it that matters.

Exercise Helps Young Smokers Quit

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Quitting smoking is one of the healthiest things a person can do, but it’s also among the hardest, especially for teenage smokers who battle not only addiction but also the social pressure to keep lighting up.

Back Off, Mom. Parents Who Hover Impede Kids’ Activity

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Parents, if you want your kids to get more exercise, you’d be wise to get out of their way.