You knew it was coming: Flu season's back, and there's no telling how mild or wild it will be (remember swine flu?). "The severity of each season ...
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Exercise is the most powerful thing you can do to reduce your sick days this winter, a new study shows....
Is there any way to make yourself less vulnerable to the cold and flu? Yes, says a study published on June 14 in the open access online medical journal Plos One.
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