Residential long-term treatment in Groton is statistically the most successful treatment center and method in terms of results when considering long-term abstinence after completing treatment. Residential long-term treatment gives the individual in rehabilitation a true oasis. In residential long-term treatment the individual can take part in rehabilitation services in a positive and distraction free atmosphere where there is virtually nothing that might sabotage their sobriety or development while in drug rehabilitation. The long-term option is in essence what will guarantee the person is confident and secure enough to be able to remain drug free when they leave drug rehabilitation in Groton, because one month is very often simply not enough time in alcohol and drug rehab for the most severely addicted people. It can take many weeks to achieve the assurance that one can continue to be abstinent, with a significant and intense course of rehabilitation in a residential drug rehab.