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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
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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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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."