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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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There are 20 feet of blood vessels in each square inch of human skin.
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Excessive alcohol use costs the country approximately $235 billion every year.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).