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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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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Blood is approximately twice as thick as water because of the cells and other components found in it.