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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
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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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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.