Just because the weather outside is frightful, that's no excuse for slacking off on your physical activity. With much of the U.S. in a deep freeze, however, this is probably a good time to review the rules for exercising in cold weather.
1. DRESS IN LAYERS The greatest danger is hypothermia, a condition in which the body's core temperature drops from 98.6ºF to below 96ºF. Sports doctors recommend that you wear an inner layer made of a material, such as polypropylene, that wicks away moisture so that your perspiration doesn't chill your body. (Don't use cotton, which retains moisture against the...
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