Feelings of restlessness, discomfort or somatic symptoms of tension that occur in anticipation of situations that are perceived as dangerous both externally and internally. It becomes pathological when anxiety occurs in the face of stimuli that are not really so threatening, the intensity of the reaction is disproportionate and / or persists beyond what is necessary.
Among the disorders associated with anxiety we can find:
Separation Anxiety Disorder
Social Anxiety Disorder or Social Phobia
Panic or Anxiety Disorder
Generalized anxiety disorder
Anxiety Disorder Due to Medical Illness
Anxiety Disorder Induced by Substance Intoxication or Withdrawal.