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In 1864, the first barbiturate (barbituric acid) was synthesized.
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There are 60,000 miles of blood vessels in every adult human.
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.
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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.