There are a number of unique types of substance abuse rehabilitation programs in Chatham, Massachusetts which alcohol and/or drug addicted people can get help from. As an example, there are drug and alcohol abuse rehabilitation centers in the Chatham, Massachusetts area which cater to an individual who has a brief background of alcohol and drug abuse and might be able to receive effective help at a short term drug treatment center which will require the individual to continue to be in rehabilitation for 30 days or less. Then there are more comprehensive and long term drug and alcohol abuse rehabilitation facilities in Chatham, Massachusetts which call for a stay of 90 days or longer, depending on the client's background of substance abuse and other circumstances which may include co-occurring mental health issues. Substance abuse treatment programs can be done as an outpatient or inpatient, with inpatient substance abuse treatment programs providing substantially better success rates as a result of a greater quality of rehabilitation program.