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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.
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.