The diverse substance abuse rehabilitation programs which are accessible to drug and alcohol addicted people in Glenville, NY. can differ in many different ways. Some substance abuse rehab programs are offered in a residential or inpatient location, where individuals reside the entire time they are in treatment which supplies a more therapeutic treatment environment. Others offer alcohol and drug abuse treatment programs on an outpatient basis which allows for more flexibility, although outpatient centers are not always an appropriate substance abuse rehabilitation service for individuals in Glenville, NY. who are struggling with serious drug or alcohol addiction difficulties. Whether inpatient or outpatient alcohol and drug abuse rehabilitation programs are selected, there are varying amounts of time that people will be required to stay in the drug and alcohol rehab program. For instance, some short-term programs offer services for 30 days or less, while long-term centers will require at least a 12 week stay.