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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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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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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.