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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).
Approximately 500,000 babies are born each year in the United States to teenage mothers.
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

