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Did you know?
There are more sensory neurons in the tongue than in any other part of the body.
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 longest a person has survived after a heart transplant is 24 years.
Did you know?
Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
Did you know?
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.