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Excessive alcohol use costs the country approximately $235 billion every year.
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.
Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
Blood is approximately twice as thick as water because of the cells and other components found in it.