Exercise: Better Than the Couch, but Not Equal to the Court

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The active video games played on the Nintendo Wii console are not a substitute for the real thing, a small study suggests.


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Aging: For Uninsured, Medicare Makes a Healthy Impact

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Uninsured people 55 and older significantly reduce their risk of declining health after they enroll in Medicare at 65, a new study suggests.


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Children: Study Ties Too Little Sleep With Too Much Weight

A study of 7-year-olds has found that sleeping less than nine hours a night was associated with being overweight or obese.


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