BAsic information description An illness that involves constant worry, even though nothing is wrong. A person feels tense most of the time and always expects the worst to happen. They may worry about health, money, family, work, or, sometimes, an unknown or unspecified threat. The symptoms may be severe and interfere with daily living. Attempts to avoid the anxiety lead to more anxiety. Anxiety usually comes on slowly and can start in childhood, adolescence, or as an adult. It is more common...