The different substance abuse treatment services which are offered to alcohol and drug addicted individuals in Holland can vary in several various ways. Some alcohol and drug abuse rehab services take place in a residential or inpatient setting, where clientele remain the entire time they are in rehab which provides a more therapeutic rehabilitation environment. Others provide alcohol and drug abuse treatment services on an outpatient basis which provides a sense of flexibility, though outpatient centers may not be an appropriate alcohol and drug abuse rehabilitation program for people in Holland who are struggling with long term drug or alcohol addiction issues. Regardless of whether inpatient or outpatient substance abuse treatment services are selected, there are also different lengths of time that individuals will be required to remain in the alcohol and drug rehab center. For instance, some short-term programs offer services for a month or less, whereas long-term facilities will call for at least a 90 day stay.