It is quite common for men and women who are afflicted with a psychological disorder to also be plagued by a co-occurring alcohol and drug abuse disorder. In truth, it is more prevalent than one would assume and a lot of men and women presently in drug and alcohol rehabilitation programs in Rio Vista, California may have psychological issues which have just simply been undiagnosed. Treatment specialists at proven alcohol and drug treatment programs in Rio Vista know how to identify persons with co-occurring psychological and substance abuse issues so that these two concerns can be handled simultaneously while the person is in rehabilitation. Because both must be resolved, the client should not leave rehab until they are mentally stable, not just abstinent.