It is quite common for men and women who have problems with a mental health disorder to also be plagued by a co-occurring drug and alcohol abuse disorder. Frankly, it is more common than one would assume and quite a few people currently in drug treatment programs in Atwater, California may have mental health disorders which have just simply been undiagnosed. Rehab professionals at successful drug rehab centers in Atwater, CA. know how to identify persons with co-occurring mental and drug and alcohol abuse issues so that these two concerns can be handled simultaneously while the person is in rehabilitation. Simply because both need to be addressed, the individual must remain in rehab until they are psychologically stable, not just abstinent.