Residential long-term treatment in Isaban is statistically the most successful rehabilitation center and method in terms of results when measuring long-term abstinence after completing treatment. Residential long-term treatment offers the individual in treatment a virtual oasis. In residential long-term treatment the client can take part in rehab activities in a safe and distraction free environment in which there is virtually nothing that might sabotage their success or development while in drug and alcohol rehabilitation. The long-term option is essentially what will ensure the person is confident and secure enough to be able to remain off of drugs when they leave alcohol and drug rehabilitation in Isaban, because four weeks is most often simply insufficient time in alcohol and drug rehabilitation for the most severely addicted persons. It can take several weeks to attain the self-confidence that one can remain drug free, with a comprehensive and intense length of time spent in treatment in a residential facility.