Many people in Mundelein, Illinois who end up in drug rehab are dual diagnosis clients with co-occurring mental and substance abuse problems. Surprisingly, as many as 1/3 of those who struggle with mental health issues in Mundelein, Illinois also take part in substance abuse at some time in their lives. These dual diagnosis clients often turn to alcohol or drugs to self medicate in an attempt to relieve the symptoms of an underlying psychological condition. Some addicted individuals aren't even diagnosed with a disorder, and only when they begin to receive treatment at a drug rehabilitation program is this sort of psychological condition discovered. This alone can help resolve addiction issues and put the person in a position to receive rehabilitation for both conditions so that they have a good chance of remaining abstinent and psychologically healthy in the future.