Anxiety is a signal to awaken, which warms one of danger, allows one to take action or tackle the threat. But anxiety related to feeling of hopelessness, helplessness or strong emotional state has no physical state. Anxiety disorders comprise a large family of disorders, which the main effect is excessive anxiety beyond normal. Some groups of disorders that features anxiety are:- posttraumatic stress disorder, panic disorder, avoidant disorder, panic disorder, panic attack, obsessive-compulsive disorder, school phobia etc. Anxiety disorders can also be expressed as physical symptoms like stomach aches and headaches, as inappropriate emotional responses, such as crying or giggling. Children express anxiety as a temporary reaction to stressful
