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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
People about to have surgery must tell their health care providers about all supplements they take.
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