It is quite common for men and women who have problems with a psychological issue to also have a co-occurring substance abuse issue. In fact, it is more common than one would imagine and a lot of men and women presently in drug and alcohol treatment centers in Grand Terrace, California may have psychological issues which are often undiagnosed. Rehab specialists at proven drug rehab programs in Grand Terrace know how to spot individuals with co-occurring mental health and substance abuse issues so that these two concerns can be handled simultaneously while the individual is in treatment. Simply because both need to be addressed, the individual must remain in rehabilitation until they are psychologically stable, not just abstinent.