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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.