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Did you know?
If you could remove all of your skin, it would weigh up to 5 pounds.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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There are approximately 3 million unintended pregnancies in the United States each year.