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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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There are more nerve cells in one human brain than there are stars in the Milky Way.
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The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.
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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.