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Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.
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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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Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.
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There are more bacteria in your mouth than there are people in the world.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.