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Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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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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One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.