Clinical psychology is the branch of psychology concerned with the assessment and treatment of mental illness, abnormal behavior, psychiatric problems and emotional disturbance and it includes scientific study and application of psychology for the purpose of Understanding, preventing and Relieving physiological based distress or dis function and to promote subjective well-being and personal development.
American Psychological Association defines clinical psychology as a clinical discipline that involves the assessment, diagnostic, treatment, prevention and consultative service to the patients.
Categories of clinical and Experimental Psychology include: Social Psychology, Forensic Psychology, Biopsychology, Cognitive Psychology and Counseling Psychology. This field is first begun in 1896. The first psychological clinic is at the University of Pennsylvania by Lighter Witmer. Advances in clinical health psychology are to include number of physical disorders and diseases. Psychologists contribute directly to the prevention and treatment of among other diseases, Diabetes, hypertension and aids
