In terms of success rates, long term drug rehab and alcohol treatment services offered at Parkville, MD. rehab centers have been proven to be more successful than any other rehab alternative. Besides offering superior care and a structured environment, long-term drug rehab and alcohol treatment services in Parkville 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 as opposed to the speed in which the individual completes their program.