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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).
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There are 60,000 miles of blood vessels in every adult human.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.