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Vaccines prevent between 2.5 and 4 million deaths every year.
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More than 4.4billion prescriptions were dispensed within the United States in 2016.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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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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Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.