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Did you know?
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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.
Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
If you could remove all of your skin, it would weigh up to 5 pounds.
Did you know?
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.