It is quite common for individuals who have problems with a psychological issue to also struggle with a co-occurring drug and alcohol abuse disorder. Frankly, it is more common than one would think and quite a few men and women presently in drug and alcohol rehab programs in Walnut Creek, California may have mental health issues which have just simply been undiagnosed. Rehab experts at successful drug and alcohol treatment programs in Walnut Creek know how to spot persons with co-occurring mental health and alcohol and drug abuse disorders in hopes that both issues can be handled simultaneously while the individual is in rehab. Simply because both must be resolved, the individual should not leave rehab until they are psychologically stable, not just sober.