With Soap and Water or Sanitizer, a Cleaning That Can Stave Off the Flu

By TARA PARKER-POPE, The New York Times

It sounds so simple as to be innocuous, a throwaway line in public-health warnings about swine flu. But one of the most powerful weapons against the new H1N1 virus is summed up in a three-word phrase you first heard from your mother: wash your hands.

A host of recent studies have highlighted the importance and the scientific underpinning of this most basic hygiene measure. One of the most graphic was done at the University of California, Berkeley, where researchers focused video cameras on 10 college students as they read and typed on their laptops.

The scientists counted the times the students touched their faces, documenting every lip scratch, eye rub and nose pick. On average, the students touched their eyes, noses and lips 47 times during a three-hour period, once every four minutes.

Hand-to-face contact has a surprising impact on health. Germs can enter the body through breaks in the skin or through the membranes of the eyes, mouth and nose.

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~Sandy G.