Anesthesia is medicine that stops you from feeling pain during medical procedures. When doctors need to perform surgery or do something that would normally hurt, they use anesthesia to make sure you don't feel it happening.

There are different types. General anesthesia puts you completely to sleep so you're unconscious during major operations like fixing a broken bone or removing an appendix. You won't remember anything about the surgery afterward. Local anesthesia numbs just one small area, like when a dentist numbs your gum before filling a cavity. Your mouth feels thick and rubbery, but you stay awake and alert. There's also regional anesthesia, which blocks feeling in a larger part of your body, like numbing everything below your waist.

Before anesthesia was invented in the 1840s, surgery was absolutely terrifying. Patients had to be held still while surgeons worked as fast as possible. The discovery of anesthesia revolutionized medicine, making complex surgeries possible and saving countless lives.

The doctor who gives you anesthesia is called an anesthesiologist. They carefully calculate the right amount and monitor you constantly to keep you safe throughout the procedure.