In terms of success rates, long term drug rehab and alcohol treatment services offered at Shenandoah, IA. rehab facilities have been proven to be more effective than any other treatment alternative. Aside from offering superior care and a structured atmosphere, long-term drug rehab and alcohol treatment services in Shenandoah, IA. are also very often tailored 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.