Residential long-term treatment in Haven is statistically the most optimum rehab program and method when speaking of success rates when taking into account long-term abstinence once treatment is complete. Residential long-term treatment provides the client in rehab a virtual oasis. In residential long-term treatment the person can participate in rehabilitation services in a secure and distraction free facility in which there is very little that could possibly sabotage their sobriety or development while in alcohol and drug rehabilitation. The long-term option is essentially what will ensure the person is assured and secure enough to be able to remain drug free when they leave alcohol and drug rehabilitation in Haven, due to the fact that one month is more often than not simply insufficient time in drug rehab for the most severely addicted persons. It can take a number of weeks to achieve the confidence that one can continue to be abstinent, with a comprehensive and intensive course of rehabilitation in a residential program.