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When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).
More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
The longest a person has survived after a heart transplant is 24 years.
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).