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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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The longest a person has survived after a heart transplant is 24 years.
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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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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
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Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.