It is quite common for men and women who have problems with a psychological issue to also struggle with a co-occurring substance abuse disorder. In fact, it is more common than one would imagine and a lot of men and women currently in drug rehabilitation programs in Tustin may have mental health issues which are often undiagnosed. Rehabilitation experts at proven alcohol and drug rehabilitation facilities in Tustin, CA. know how to spot individuals with co-occurring mental health and substance abuse issues so that these two concerns can be simultaneously addressed while the individual is in treatment. Because both need to be addressed, the client should not leave rehab until they are psychologically stable, not just abstinent.