It is not uncommon for people who have problems with a mental health issue to also have a co-occurring substance abuse disorder. Frankly, it is more prevalent than one would imagine and many people currently in alcohol and drug rehabilitation programs in Elwin, Illinois may have psychological issues which are often undiagnosed. Rehab professionals at proven drug rehabilitation centers in Elwin, Illinois know how to identify individuals with co-occurring psychological and alcohol and drug abuse issues so that these two concerns can be handled simultaneously while the person is in rehabilitation. Simply because both must be resolved, the person must remain in treatment until they are psychologically stable, not just off of drubs.