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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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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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Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.
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The longest a person has survived after a heart transplant is 24 years.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.