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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.