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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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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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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.