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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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Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.
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Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).
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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
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Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.
A recent study found that female baboons that groom each other are more likely to come to each other
Research Methods
Adults in the Berlin Study of Aging show earlier declines on tests of nonverbal, fluid tasks (upper ...
The results from West and Crook's study of memory for telephone numbers
Some Biology Questions
Operations Research