It is not uncommon for men and women who are afflicted with a psychological disorder to also be plagued by a co-occurring substance abuse issue. In fact, it is more prevalent than one would think and quite a few individuals currently in alcohol and drug rehab centers in San Ramon, California may have mental health issues which are often undiagnosed. Treatment professionals at proven alcohol and drug treatment programs in San Ramon know how to spot persons with co-occurring mental and drug and alcohol abuse disorders so that these two concerns can be simultaneously addressed while the individual is in treatment. Because both must be resolved, the person must remain in rehabilitation until they are mentally stable, not just sober.