It is quite common for individuals who struggle with a psychological disorder to also have a co-occurring substance abuse disorder. Frankly, it is more common than one would think and a lot of people presently in drug and alcohol rehab facilities in Coloma, California may have mental health issues which are often undiagnosed. Treatment experts at successful drug rehabilitation programs in Coloma know how to spot persons with co-occurring psychological and drug and alcohol abuse disorders so that both issues can be simultaneously addressed while the person is in rehabilitation. Due to the fact both need to be addressed, the person should not leave treatment until they are mentally stable, not just abstinent.