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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.
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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.