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The average adult has about 21 square feet of skin.
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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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More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.
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Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.
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In 1864, the first barbiturate (barbituric acid) was synthesized.