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Author Question: For amplitude, frequency or phase shift keying, that respective characteristic of the carrier wave ... (Read 39 times) |
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.
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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.
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.