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What's up…and what's down.

Publication: Harvard Health Letter
Publication Date: 01-DEC-08 		Format: Online
Delivery: Immediate Online Access
Full Article Title: What's up…and what's down.(handwashing)(vitamin B)(Red wine having anticancer properties)

Article Excerpt
What's up*and what's down

Winners and losers in some recent studies.

Washing your hands

Dr. Samuel Johnson, the 18th century lexicographer, said that people need to be reminded more often than they need to be instructed. Johnson's quote comes to mind * along with the just-do-it shoe company slogan * when a study finds benefits from hand washing.

Researchers from University of Michigan and Columbia University combined 30 separate studies into a meta-analysis of hand washing. The overall results were pretty impressive: improvements in hand washing reduced gastrointestinal illnesses by 31% and the respiratory ones by 21%. The authors wrote that hand-washing habits, rather than the susceptibility of the germs, may explain the difference: people are more likely to wash their hands after going to...

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