Residential long-term treatment is , when using statistics as a measure, the most optimal treatment program and method in terms of actual results when measuring long-term sobriety once treatment is complete. Residential long-term treatment in Peru provides the person in rehabilitation a positive and effective treatment setting. In residential long-term treatment the person can involved in rehabilitation methods in a safe and distraction free area where there is virtually nothing that might impede their success or development while in alcohol and drug rehabilitation. The long-term aspect is in essence what will ensure the treatment client is confident and stable enough to be able to stay off of drugs when they are finished with alcohol and drug rehab, due to the fact that 30 days is most often simply not enough time in drug treatment for the more seriously addicted persons. It can take a number of months to achieve the confidence that one is going to be able to remain abstinent, with a lengthy and very intensive stint in treatment in a residential drug rehab.