It is not uncommon for individuals who have problems with a psychological issue to also be plagued by a co-occurring drug and alcohol abuse disorder. In fact, it is more widespread than one would assume and many individuals presently in drug and alcohol treatment centers in Anaheim, California may have mental health issues which have just simply been undiagnosed. Rehab experts at effective drug treatment programs in Anaheim know how to identify individuals with co-occurring psychological and drug and alcohol abuse disorders so that both issues can be simultaneously addressed while the person is in rehabilitation. Simply because both need to be addressed, the person should not leave treatment until they are psychologically stable, not just sober.