The various alcohol and drug abuse treatment services which are available to drug and alcohol addicted persons in Cal Nev Ari can vary in several different ways. Quite a few substance abuse rehabilitation services are conducted in a residential or inpatient facility, where clientele reside for the duration of their treatment which supplies a more conducive rehabilitation setting. Others offer drug and alcohol abuse rehab programs on an outpatient basis which provides a sense of versatility, although outpatient programs are not always an appropriate substance abuse rehab service for individuals in Cal Nev Ari who are having difficulties with long term addiction problems. Whether or not inpatient or outpatient drug and alcohol abuse rehab programs are selected, there are also different amounts of time that people will be asked to stay in the drug and alcohol rehabilitation center. For example, many short-term programs offer services for a month or less, while long-term centers will call for at least a 3 month stay.