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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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The average adult has about 21 square feet of skin.
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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.