It is quite common for men and women who struggle with a psychological disorder to also have a co-occurring drug and alcohol abuse issue. In fact, it is more common than one would assume and many people presently in drug treatment facilities in Mill Creek, California may have psychological issues which are often undiagnosed. Rehab specialists at successful drug rehabilitation centers in Mill Creek know how to identify persons with co-occurring mental health and alcohol and drug abuse disorders in hopes that these two issues can be handled simultaneously while the individual is in treatment. Because both must be resolved, the individual should not leave treatment until they are mentally stable, not just sober.