Many people who are mentally ill are also addicted to drugs and alcohol. These are separate problems that require separate treatments, yet few people have been diagnosed correctly for both conditions. This program from The Doctor Is In profiles a woman who is manic-depressive and alcoholic, and a man with schizophrenia who is also alcoholic. Dr. Fred Goodwin, director of the National Institute of Mental Health, explains ongoing research that may help identify and treat adolescents before they begin to experience problems. A Dartmouth-Hitchcock Medical Center Production. (28 minutes)