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The average adult has about 21 square feet of skin.

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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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Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

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The familiar sounds of your heart are made by the heart's valves as they open and close.

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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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