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Did you know?
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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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.