It is not uncommon for individuals who have problems with a psychological disorder to also be plagued by a co-occurring substance abuse disorder. Frankly, it is more common than one would imagine and many people currently in alcohol and drug rehabilitation centers in Coulterville, California may have mental health issues which have just simply been undiagnosed. Rehab specialists at effective drug and alcohol rehab programs in Coulterville know how to identify individuals with co-occurring mental and substance abuse issues so that these two concerns can be handled simultaneously while the person is in treatment. Simply because both must be resolved, the person should not leave rehabilitation until they are mentally stable, not just sober.