In terms of success rates, long term drug rehab and alcohol treatment services supplied by Danvers, Illinois rehab centers have been statistically more effective than any other treatment option. Besides supplying superior care and a secure setting, long-term drug rehab and alcohol treatment services in Danvers are also usually 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 services as opposed to the speed in which the person completes their program.