General Anesthesia: 8 Interesting Facts About The Procedure That Puts You To Sleep If you’ve had surgery, your anesthesiologist has probably told you to count backward from 100 in order to be “put to sleep.” Anesthesia is administered in hospitals, and has been for almost 200 years, to block pain or the memory of pain. But despite its widespread use, doctors still don’t know exactly how it works. While millions of people undergo various surgeries that require pain-numbing medications, there are facts about anesthesia you probably don’t know — but should. 1. Anesthesia causes amnesia. General anesthesia keeps you relaxed, blocks pain, and may also cause amnesia. A 2012 study published in the journal Annals of Neurology found that inhalation anesthetics induced Alzheimer’s-like changes in the brains of adult mice. The drug was toxic to dentate gyru — a type of cell that helps control memory and learning. Although researchers are s...
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