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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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The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

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The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

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Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

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Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

The approval of a new drug is a four-stage process: (1) preclinical investigation, (2) clinical inve The approval of a new drug is a four-stage process: (1) preclinical investigation, (2) clinical inve
International Television Viewing Rates in Childhood In most developed countries, children watch TV International Television Viewing Rates in Childhood In most developed countries, children watch TV
Aggressive and disruptive children are often not well-liked by peers and can be rejected or excluded ... Aggressive and disruptive children are often not well-liked by peers and can be rejected or excluded ...
Checklist of Developmental Skills: Birth to 5 years Cont. Checklist of Developmental Skills: Birth to 5 years Cont.
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Tia, an African-American mother of two school-aged children Tia, an African-American mother of two school-aged children
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