It is quite common for individuals who have problems with a mental health issue to also struggle with a co-occurring substance abuse issue. Frankly, it is more widespread than one would think and quite a few people currently in drug rehab centers in Moscow may have psychological issues which are often undiagnosed. Rehab specialists at effective drug treatment facilities in Moscow know how to identify individuals with co-occurring mental and drug and alcohol abuse issues so that these two issues can be simultaneously addressed while the person is in treatment. Due to the fact both must be resolved, the individual should not leave rehab until they are psychologically stable, not just sober.