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Author Question: Deep unconsciousness, such as that achieved during general anesthesia, results in the absence of ... (Read 22 times) |
Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
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.
Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
Asthma cases in Americans are about 75% higher today than they were in 1980.
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.