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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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Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.
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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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Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.