Residential long-term treatment is , when using statistics as a measure, the most optimal rehabilitation program and treatment approach in terms of actual results when measuring long-term abstinence long after the individual leaves treatment. Residential long-term treatment in California offers the person in treatment a positive and effective oasis. In residential long-term treatment the treatment client can participate in treatment methods in a secure and distraction free area where there is virtually nothing that could possibly cut across their good results or progress while in drug and alcohol treatment. The long-term aspect is essentially what will guarantee the treatment client is confident and stable enough to be able to stay abstinent when they are finished with alcohol and drug rehabilitation, because 4 weeks is more often than not just not enough time in alcohol and drug rehabilitation for critically addicted people. It can take several weeks to achieve the confidence that one is going to be able to continue to remain off of drugs and/or alcohol, with a lengthy and intense course of treatment in a residential drug rehab.