It is not uncommon for individuals who struggle with a mental health issue to also have a co-occurring substance abuse issue. In fact, it is more common than one would imagine and a lot of people currently in drug and alcohol rehab facilities in Watsonville, California may have mental health issues which have just simply been undiagnosed. Rehab experts at proven alcohol and drug rehabilitation programs in Watsonville, CA. know how to identify persons with co-occurring mental health and substance abuse issues so that both concerns can be handled simultaneously while the individual is in rehab. Because both must be resolved, the person should not leave rehabilitation until they are mentally stable, not just sober.