In terms of success rates, long term drug rehab and alcohol treatment services delivered by Greenville rehab programs have been statistically more successful than any other treatment option. Aside from providing superior care and a structured atmosphere, long-term drug rehab and alcohol treatment services in Greenville, TX. are also very often tailored to fulfill 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 emphasis put on the quality of treatment services as opposed to the speed in which the person completes their program.