It is quite common for individuals who have problems with a mental health issue to also struggle with a co-occurring substance abuse disorder. In fact, it is more prevalent than one would think and a lot of individuals currently in drug rehabilitation centers in Hermosa Beach, CA. may have psychological issues which are often undiagnosed. Rehabilitation professionals at effective drug rehab programs in Hermosa Beach, California know how to spot persons with co-occurring mental and drug and alcohol abuse disorders so that both issues can be simultaneously addressed while the individual is in rehabilitation. Due to the fact both must be resolved, the person must remain in rehabilitation until they are mentally stable, not just abstinent.