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Author Question: Why are graphs such an important tool in economics?[br][br][b][color=#A83E49]Question ... (Read 33 times) |
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.
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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.
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
If all the neurons in the human body were lined up, they would stretch more than 600 miles.