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In 1864, the first barbiturate (barbituric acid) was synthesized.
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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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A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.