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Did you know?
More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
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.
Did you know?
The human body produces and destroys 15 million blood cells every second.