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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).
People about to have surgery must tell their health care providers about all supplements they take.
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