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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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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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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 first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.