It is quite common for individuals who are afflicted with a psychological issue to also be plagued by a co-occurring drug and alcohol abuse issue. In truth, it is more prevalent than one would imagine and quite a few men and women presently in drug and alcohol rehab centers in San Pedro, California may have mental health issues which are often undiagnosed. Rehab experts at effective alcohol and drug rehab programs in San Pedro know how to identify persons with co-occurring psychological and alcohol and drug abuse issues so that these two concerns can be simultaneously addressed while the individual is in treatment. Due to the fact both need to be addressed, the client must remain in rehabilitation until they are psychologically stable, not just sober.