The various substance abuse rehabilitation programs which are available to drug and alcohol addicted persons in Koyuk, AK. can differ in several different ways. Some substance abuse treatment services take place in a residential or inpatient setting, where individuals reside for the duration of their rehabilitation which offers a more conducive rehabilitation setting. Others offer substance abuse treatment programs on an outpatient basis which allows for more flexibility, though outpatient centers may not be an appropriate drug and alcohol abuse treatment program for individuals in Koyuk, AK. who are having difficulties with long term drug or alcohol addiction difficulties. Whether inpatient or outpatient alcohol and drug abuse rehabilitation programs are selected, there are also different lengths of time that people will be asked to remain in the drug and alcohol rehabilitation center. For instance, some short-term programs offer programs for a month or less, whereas long-term centers will require at least a 3 month stay.