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Did you know?
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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There are more bacteria in your mouth than there are people in the world.
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Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

