Despite traditional medicine, including psychiatry and psychotherapy, and its methodology for treating emotional issues, there are more comprehensive ways to treat deficits in that area.
Traditional medicine has become an industry. Therefore, its treatment of illness and disease is quite biased in favor of revenue. Holistic healthcare is not an organized industry.
There is a lot said about mental illness but very little is widely known about the mental diagnoses listed in the DSM-IV. Holistic modalities give a broader perspective than traditional means.