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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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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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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.