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About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.
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Illicit drug use costs the United States approximately $181 billion every year.
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Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.
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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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In 1844, Charles Goodyear obtained the first patent for a rubber condom.