It is quite common for people who have problems with a psychological issue to also have a co-occurring substance abuse disorder. In fact, it is more prevalent than one would assume and a lot of individuals currently in drug treatment facilities in Danville may have mental health disorders which have just simply been undiagnosed. Rehab specialists at successful alcohol and drug rehab centers in Danville know how to identify individuals with co-occurring psychological and substance abuse issues in hopes that both issues can be handled simultaneously while the person is in treatment. Due to the fact both must be resolved, the person must remain in rehabilitation until they are mentally stable, not just sober.