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The average adult has about 21 square feet of skin.
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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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The human body produces and destroys 15 million blood cells every second.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.