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Did you know?
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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?
About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.
Did you know?
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.