It is quite common for people who are afflicted with a psychological issue to also have a co-occurring substance abuse issue. In fact, it is more prevalent than one would imagine and quite a few individuals currently in alcohol and drug treatment facilities in Gridley, California may have psychological issues which have just simply been undiagnosed. Treatment experts at proven alcohol and drug rehabilitation centers in Gridley know how to identify individuals with co-occurring psychological and substance abuse disorders in hopes that these two issues can be simultaneously addressed while the person is in rehabilitation. Because both need to be addressed, the individual must remain in rehab until they are psychologically stable, not just abstinent.