It is not uncommon for individuals who have problems with a psychological issue to also be plagued by a co-occurring drug and alcohol abuse issue. Frankly, it is more prevalent than one would imagine and a lot of individuals currently in alcohol and drug rehab facilities in Calistoga, California may have mental health disorders which are often undiagnosed. Rehabilitation professionals at effective alcohol and drug treatment facilities in Calistoga know how to spot persons with co-occurring psychological and drug and alcohol abuse disorders so that both concerns can be simultaneously addressed while the individual is in rehab. Due to the fact both need to be addressed, the person should not leave rehab until they are psychologically stable, not just off of drubs.