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People about to have surgery must tell their health care providers about all supplements they take.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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There are approximately 3 million unintended pregnancies in the United States each year.
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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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The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.