Treatment:
As far as the IB is concerned, there are 4 main types of treatment for disorders: Biomedical, Individual, Group & Eclectic.
By far, the most popular treatment practiced today is the Eclectic Approach to treatment which is a combination of 2 or more of the above.
However there is growing research supporting alternative treatment forms such as sleep therapy, acupuncture, yoga, and exercise. These treatments are the focus of much recent research:
http://www.nytimes.com/2013/11/19/health/treating-insomnia-to-heal-depression.html?_r=2&
http://opinionator.blogs.nytimes.com/2012/09/26/for-veterans-a-surge-of-new-treatments-for-trauma/