In terms of success rates, long term drug rehab and alcohol treatment services supplied by Knoxville, Iowa rehab centers have been proven to be more effective than any other treatment alternative. Besides offering superior care and a secure setting, long-term drug rehab and alcohol treatment services in Knoxville, Iowa are also usually tailored to fulfill the needs of each individual in recovery. People receiving long-term drug rehab and alcohol treatment services are encouraged to do 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.