Anesthesia (alternative spelling Anaesthesia) is the prevention of consciousness or sensation, usually by means of chemicals known as anesthetics (alternative spelling anaesthetics). On March 30, 1842 in Jefferson, Georgia, Dr. Crawford Williamson Long[?] was the first to use anesthesia during an operation; ether was given to his wife during childbirth.
... age of 18, 5.0% from 18 to 24, 29.0% from 25 to 44, 24.2% from 45 to 64, and 12.7% who are 65 years of age or older. The median age is 39 years. For every 100 females ...