Rebecca Davis
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If you want to socialize with family or friends — say share a vacation cabin — can testing in advance keep everyone safe? We asked experts how diagnostic tests work and how to interpret the results. -
She's a typical teen — blue nails, loves Coldplay. But she believes she won't be able to build a life in her homeland.
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One of the most important medical advances may also be the simplest: hand-washing. It's the best defense against spreading disease. And its power was discovered long before anyone knew about germs.
