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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
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Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
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Everyone has one nostril that is larger than the other.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.