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In 1864, the first barbiturate (barbituric acid) was synthesized.
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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
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The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.