Anesthesiologists work with patients undergoing surgery and provide pain relief. They are medically trained doctors who provide anesthesia and monitor patients' condition before, during, or after surgery. Anesthesia is a way for patients to have surgery and avoid the pain and stress that can result from it. Like other physicians, anesthesiologists need to have a four-year degree in undergraduate and four years of schooling at the medical school. Then, they must complete an internship to receive four years of specialized education. Anesthesia can be traced back more than 100 years to the discovery of nitrous dioxide (also known as laughing gas), which was used over 100 years ago. Inhaling this chemical compound can cause a state known as intoxication which renders people insensitive to pain. Dr. Crawford Long, a Georgian surgeon who first used ether to perform painless surgery in 1842, was the first to do so. William Morton was the first person to officially credit the use of ether...
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