Attending a residential long-term treatment program (more than 30 days) is the best way ofresolving a severe substance abuse problem. This type of drug rehabilitation facility is more comprehensive than others that only last a few weeks or those where the client is free to come and go as they please. Attending a residential long-term treatment program (more than 30 days) means that you as the client will reside at the rehabilitation facility around the clock while you are in recovery. While providing a more relaxed home-like atmosphere the individual has access to treatment professionals at all times. Long term drug rehab centers are a perfect choice for those who have a long history of addiction or who have had other unsuccessful attempts at drug or alcohol treatment in the past.