Most people experience an anaesthetic at some time in their lives and some undergo anaesthesia many times. It is normal for people to be uneasy about having an anaesthetic. Modern anaesthesia is very safe and modern surgery would not be possible without developments in anaesthesia.
This website explains what anaesthesia is, how anaesthetics are given, and how anaesthetists care for you. You can also learn how anaesthetics affect you and how you can affect your anaesthetic.