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Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

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