It is quite common for people who have problems with a psychological disorder to also have a co-occurring substance abuse disorder. In fact, it is more common than one would think and quite a few people presently in drug rehabilitation facilities in Lake Crystal, Minnesota may have mental health disorders which are often undiagnosed. Rehab experts at successful drug rehab centers in Lake Crystal, Minnesota know how to spot individuals with co-occurring psychological and drug and alcohol abuse disorders so that both concerns can be handled simultaneously while the person is in rehabilitation. Simply because both must be resolved, the person should not leave treatment until they are psychologically stable, not just sober.