Residential long-term treatment in Portland is according to statistics the most successful rehab program and method in terms of success rates when considering long-term abstinence once treatment is complete. Residential long-term treatment gives the individual in rehab a virtual oasis. In residential long-term treatment the individual can take part in rehabilitation methods in a safe and distraction free environment in which there is very little that could possibly sabotage their sobriety or development while in drug rehab. The long-term option is in essence what will ensure the individual is reassured and stable enough to be able to continue to remain drug free when they depart drug rehabilitation in Portland, simply because four weeks is very often simply not enough time in drug rehabilitation for seriously addicted individuals. It can take several months to achieve the assurance that one can remain abstinent, with a significant and intense course of rehabilitation in a residential drug rehab.