It is quite common for individuals who struggle with a psychological disorder to also struggle with a co-occurring substance abuse disorder. In fact, it is more widespread than one would imagine and a lot of people currently in drug treatment facilities in Sun Valley, California may have psychological issues which have just simply been undiagnosed. Rehabilitation specialists at successful alcohol and drug rehabilitation facilities in Sun Valley know how to identify individuals with co-occurring mental and substance abuse issues so that these two concerns can be simultaneously addressed while the individual is in rehabilitation. Because both must be resolved, the client must remain in rehab until they are psychologically stable, not just sober.