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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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The horizontal fraction bar was introduced by the Arabs.
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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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Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.
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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.