Keeping Physically Fit
Suffering from a winter cold? Staying physically fit helps reduce the likelihood of falling sick with a cold, a study in the British Journal of Sports Medicine suggests.
Exercising five days a week or more for at least 20 minutes yields a 40% reduction in illness days compared with those who averaged one day of exercise per week or less.
The severity of colds was also reduced 32% between the least fit and most fit groups, the researchers found. But exercise not only reduces stress and helps people sleep better, the researchers said. Physical activity also causes more immune cells to circulate through the body, where they are available to kill any viruses, according to researcher Dr. Nieman. The immune-boosting effect of exercise adds to the benefits in fighting cardiovascular disease, stroke and cancer. Yet another reason to get the New Year off to a running start!
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