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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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There are 20 feet of blood vessels in each square inch of human skin.
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It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
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Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.
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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.