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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.
Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.
If you could remove all of your skin, it would weigh up to 5 pounds.
About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.