In terms of success rates, long term drug rehab and alcohol treatment services delivered by Dupo, IL. rehab programs have been proven to be more successful than any other rehabilitation alternative. Aside from offering superior care and a secure environment, long-term drug rehab and alcohol treatment services in Dupo, IL. are also usually designed to suit the needs of each individual in treatment. People receiving long-term drug rehab and alcohol treatment services are encouraged to do the program at their own pace, with the focus put on the quality of treatment as opposed to the speed in which the person completes their program.