In terms of success rates, long term drug rehab and alcohol treatment services supplied by Greenfield rehab facilities have been proven to be more effective than any other treatment alternative. Besides providing superior care and a structured atmosphere, long-term drug rehab and alcohol treatment services in Greenfield, Massachusetts 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 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.