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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
There are 20 feet of blood vessels in each square inch of human skin.
The horizontal fraction bar was introduced by the Arabs.
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.
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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