Anesthesia is a type of medication that prevents people from feeling pain during or following surgery. There are four main categories of anesthesia: local, regional, general, and sedation. Share on ...

General anesthesia makes you unconscious and pain-free during surgery, ensuring you don’t feel or remember anything while surgeons perform the procedure safely. General anesthesia is a procedure in ...

What happens in the brain when our conscious awareness fades during general anesthesia and normal sleep? Scientists studied this question with novel experimental designs and functional brain imaging.