Meaning to form in the mind is from late 14c. Phrase Shape up (v.) is literally to give form to by stiff or solid material; attested from 1865 as progress; from 1938 as reform; shape up or ship out is attested from 1956, originally U.S. military slang, with the sense being do right or get shipped up to active duty.
Anxiety disorders are a group of mental disorders characterized by feelings of anxiety and fear. Anxiety is a worry about future events and fear is a reaction to current events. These feelings may cause physical symptoms, such as a fast heart rate and shakiness.
Panic disorder. Panic disorder is an anxiety disorder characterized by recurrent unexpected panic attacks. Panic attacks are sudden periods of intense fear that may include palpitations, sweating, shaking, shortness of breath, numbness, or a feeling that something really bad is going to happen. The maximum degree of symptoms occurs within minutes. There may be ongoing worries about having further attacks and avoidance of places where attacks have occurred in the past. The cause of panic disorder is unknown. Pan