In terms of success rates, long term drug rehab and alcohol treatment services supplied by Chamberlain rehab programs have been proven to be more successful than any other rehab alternative. Aside from providing superior care and a secure atmosphere, long-term drug rehab and alcohol treatment services in Chamberlain, SD. 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 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.