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 ...

Are you about to have a medical procedure that requires anesthesia, the medicine you get so you don't feel pain? You probably have some questions about how it works and what to expect when you get it.

It's the stuff of nightmares: regaining consciousness while under general anesthesia. But according to a group of doctors in Finland, it may be that we never fully lose consciousness under anesthesia.

Anesthesia affects receptors in the brain, which may cause side effects following surgery. However, evidence that anesthesia causes long-term memory loss is inconclusive. Some people may experience ...

General anesthesia is a medication you get before surgeries that requires you to be in a deep sleep-like state. It is given in stages – just before the surgery begins and then throughout the surgery ...

What happens to your brain as it slips into unconsciousness? A new technique allows researchers to view real-time 3-D images of a patient undergoing anesthesia using the drug propofol, and the ...