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The human body produces and destroys 15 million blood cells every second.
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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.
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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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