03/28/2008 02:45 am ET Updated Nov 17, 2011

Seven Medical Myths Even Doctors Believe

Reading in dim light won't damage your eyes, you don't need eight glasses of water a day to stay healthy and shaving your legs won't make the hair grow back faster.

These well-worn theories are among seven "medical myths" exposed in a paper published in the British Medical Journal, which traditionally carries light-hearted features in its Christmas edition.

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