Many individuals in San Jose, Illinois who end up in drug rehab are dual diagnosis clients with co-occurring mental and substance abuse problems. In fact, as many as 1/3 of those who struggle with mental health issues in San Jose, IL. also become involved in substance abuse at some point in their lives. These dual diagnosis clients frequently turn to drugs or alcohol to self medicate as a way to relieve the symptoms of an underlying psychological disorder. Some treatment clients aren't even diagnosed with a psychological condition, and only when they begin to receive treatment at a drug rehab program is this sort of issue discovered. This in itself can sometimes help resolve addiction issues and put the person in a position to receive rehabilitation for both disorders so that they have a strong chance of remaining abstinent and psychologically stable in the future.