There are numerous different types of alcohol and drug abuse rehab services in Williamstown, MA. which addicted clients can take advantage of. As an example, there are alcohol and drug abuse rehab programs which may be especially beneficial for somebody with a very brief background of alcohol and drug abuse and may benefit from a short term drug and alcohol rehab facility which will call for the person to stay in treatment for 4 weeks or less. For others there are more extensive and long term alcohol and drug abuse rehab centers which involve a stay of 3 months or more, which is decided on the individual's particular case of drug abuse and other factors including co-occurring mental health issues. Substance abuse rehabilitation programs in Williamstown, MA. can be done as an outpatient or as an inpatient, with inpatient substance abuse rehabilitation programs resulting in significantly superior results due to a greater quality of rehab center.