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Did you know?
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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Everyone has one nostril that is larger than the other.
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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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In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.
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The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.