It is quite common for men and women who are afflicted with a psychological issue to also struggle with a co-occurring drug and alcohol abuse issue. In fact, it is more widespread than one would think and quite a few individuals currently in alcohol and drug treatment centers in Foothill Ranch, California may have psychological disorders which have just simply been undiagnosed. Rehabilitation professionals at successful drug rehabilitation programs in Foothill Ranch know how to spot individuals with co-occurring mental and drug and alcohol abuse issues so that both issues can be simultaneously addressed while the individual is in rehabilitation. Due to the fact both need to be addressed, the client should not leave rehab until they are mentally stable, not just sober.