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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.
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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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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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In 1844, Charles Goodyear obtained the first patent for a rubber condom.