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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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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

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On average, the stomach produces 2 L of hydrochloric acid per day.

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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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The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

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