Mental illness Diagnosis 366 Mental health 174 Study and teaching 142 Treatment 90 Classification 50 Delusions 47 more ... Psychoses 45 Psychiatry 41 Schizophrenics 31 Schizophrenia 29 History 28 Psychology, Pathological 27 Adjustment (Psychology) 25 Defense mechanisms (Psychology) 23 Manic-depressive illness 23 Mentally ill 19 Psychotherapy 19 Depression, Mental 18 Mental health services 17 Personality disorders 17 Prevention 17 Social aspects 16 Mental disorders 15 Catatonia 14 Etiology 14 Paranoia 13 Psychological aspects 13 Substance abuse 12 Hypomania 11 less ...