In terms of success rates, long term drug rehab and alcohol treatment services offered at Duncan, OK. rehab centers have been statistically more effective than any other rehab alternative. Besides offering superior care and a structured setting, long-term drug rehab and alcohol treatment services in Duncan are also usually tailored to suit the needs of each individual in treatment. Men and women 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 services as opposed to the speed in which the individual completes their program.