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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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
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In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
HEART STRUCTURE 1
Structure of the H-R Diagram
Structure of a b turn
The physician uses percussion—tapping—to detect sound or vibration.