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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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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.
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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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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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