The latest quarterly health survey of 1,000 Americans by the American Society of Anesthesiologists reveals that more than 75 percent of respondents expressed concerns about anesthesia during surgery.

Surgeons assume general anesthesia switches off the higher brain. Recordings from single neurons in seven patients show the opposite: while they were unconsciou ...

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 ...