It is quite common for men and women who are afflicted with a mental health issue to also be plagued by a co-occurring substance abuse issue. In truth, it is more common than one would imagine and many men and women presently in drug rehab facilities in Livermore, CA. may have psychological disorders which have just simply been undiagnosed. Treatment professionals at effective drug treatment programs in Livermore know how to identify persons with co-occurring psychological and drug and alcohol abuse issues so that both issues can be simultaneously addressed while the person is in treatment. Simply because both need to be addressed, the client must remain in treatment until they are mentally stable, not just sober.