If you were asked to name the germiest surface in your bathroom, you might say it’s the toilet seat, or even the toilet flush lever. And they certainly do contain germs. But there’s another surface ...

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Cough or sneeze into a tissue or your elbow, then wash your hands to stop droplet transmission. Wash your hands often and avoid touching your face to prevent indirect contact transmission. Avoid ...

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The spread of the H1N1 flu, the "swine flu," is thought to spread from person to person through coughing or sneezing. Health officials encourage you to wash your hands often with soap and warm water.

That glistening swimming hole might look—and feel—refreshing on a sweltering day. But writhing in pain from stomach cramps, nausea, and vomiting? Staring at the bathroom ceiling instead of the blue, ...