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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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The average adult has about 21 square feet of skin.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.
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Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.