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Your heart beats over 36 million times a year.
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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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Everyone has one nostril that is larger than the other.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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On average, the stomach produces 2 L of hydrochloric acid per day.