The various alcohol and drug abuse rehabilitation programs which are offered to drug and alcohol addicted people in War can vary in a lot of different ways. Quite a few drug and alcohol abuse treatment programs are conducted in a residential or inpatient location, where clientele remain the entire time they are in treatment which offers a more therapeutic rehab environment. Others provide drug and alcohol abuse rehab programs on an outpatient basis which allows for more versatility, though outpatient facilities may not be an appropriate drug and alcohol abuse treatment program for people in War who are having difficulties with serious drug addiction problems. Whether inpatient or outpatient alcohol and drug abuse rehabilitation programs are selected, there are varying amounts of time that individuals will be expected to stay in the drug and alcohol rehabilitation program. For example, some short-term programs offer services for 4 weeks or less, whereas long-term programs will require at least a 12 week stay.