It is quite common for individuals who have problems with a psychological disorder to also be plagued by a co-occurring substance abuse disorder. In fact, it is more prevalent than one would think and many people presently in drug rehabilitation centers in Felton, California may have mental health disorders which have just simply been undiagnosed. Treatment experts at successful alcohol and drug rehab programs in Felton know how to identify persons with co-occurring psychological and substance abuse issues in hopes that these two issues can be handled simultaneously while the person is in rehabilitation. Due to the fact both must be resolved, the person must remain in treatment until they are mentally stable, not just abstinent.