A new study finds that staying physically fit is your best defense against colds and flu.
Staying physically fit may reduce your time spent sick during cold and flu season by nearly 50 percent, according to a study conducted by researchers from Appalachian State University and published in the British Journal of Sports Medicine.
Researchers followed 1,002 adults younger than age 86 for 12 weeks in either the fall or winter of 2008. Participants reported how much time they spent exercising and rated their own fitness on a 10-point scale. The researchers found that after adjusting for potentially complicating factors such as age, body mass index, education, fruit intake, marital status, mental stress and sex, people who exercised at least five days per week spent 43 percent less time with an upper respiratory tract infection than people who exercised one or fewer days per week. Read more
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