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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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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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Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.