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Did you know?
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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Medication errors are more common among seriously ill patients than with those with minor conditions.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.
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The average adult has about 21 square feet of skin.