In terms of success rates, long term drug rehab and alcohol treatment services supplied by Grand Chain, Illinois rehab programs have been proven to be more effective than any other treatment option. Aside from offering superior care and a secure atmosphere, long-term drug rehab and alcohol treatment services in Grand Chain are also very often designed to suit the needs of each individual in treatment. People receiving long-term drug rehab and alcohol treatment services are encouraged to go through the program at their own pace, with the focus put on the quality of treatment services as opposed to the speed in which the person completes their program.