Be fit, have fewer colds: study

Be fit, have fewer colds: study: "Couch potatoes are nearly twice as likely to catch a cold, and a third likelier to suffer bad symptoms of a cold, compared with counterparts who keep fit, American researchers reported. They tracked 1,002 adults in Wisconsin aged 18-85 for 12 weeks in the autumn and winter of 2008, monitoring them for respiratory illness and [...]

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