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In 1864, the first barbiturate (barbituric acid) was synthesized.
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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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Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).