Residential long-term treatment is statistically the most optimal treatment facility and method in terms of actual results when measuring long-term abstinence long after the individual leaves treatment. Residential long-term treatment in Lisbon offers the individual in rehabilitation a recovery oasis. In residential long-term treatment the treatment client can take part in rehabilitation activities in a safe and distraction free setting where there is virtually nothing that could possibly impede their success or development while in alcohol and drug treatment. The long-term element is in essence what will guarantee the treatment client is self assured and secure enough to be able to remain off of drugs when they leave drug and alcohol rehabilitation, because 4 weeks is most often just insufficient time in drug and alcohol rehabilitation for the more seriously addicted people. It can take many weeks to achieve the self confidence that one is going to be able to continue to remain abstinent, with a significant and intense course of rehab in a residential drug rehab.