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Did you know?
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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Your heart beats over 36 million times a year.
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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).
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There are 20 feet of blood vessels in each square inch of human skin.