In terms of success rates, long term drug rehab and alcohol treatment services offered at Rock Island rehab facilities have been proven to be more effective than any other rehab alternative. Besides offering superior care and a structured environment, long-term drug rehab and alcohol treatment services in Rock Island, TN. are also usually designed to fulfill 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 emphasis put on the quality of treatment as opposed to the speed in which the person completes their program.