Anxiety is an
emotion characterized by an unpleasant state of inner turmoil, often accompanied by nervous behavior, such as pacing back and forth,
somatic complaints and
rumination. It is the subjectively unpleasant feelings of dread over anticipated events, such as
the feeling of imminent death. Anxiety is not the same as
fear, which is a response to a real or perceived immediate threat, whereas anxiety is the expectation of future threat. Anxiety is a feeling of fear, uneasiness, and worry, usually generalized and unfocused as an
overreaction to a situation that is only subjectively seen as menacing. It is often accompanied by muscular tension, restlessness, fatigue and problems in concentration. Anxiety can be appropriate, but when experienced regularly the individual may suffer from an
anxiety disorder.