<prompt> Most common of all psychiatric disorders areAnxiety disorderSchizophreniaDepressionMania  <response>: Anxiety is the commonest psychiatric symptom in clinical practice and anxiety disorders are one of the commonest psychiatric disorders in general population. Anxiety is a normal phenomenon, which is characterised by a state of apprehension or unease arising out of anticipation of danger. Ref: A sho textbook of psychiatry, Niraj Ahuja, 7th edition, pg no 89 