In an effort to make drug and alcohol rehabilitation is available to individuals with co-occurring psychological problems, Partial Hospitalization drug and alcohol treatment centers in Peru, New York can offer rehab in special hospital and mental health hospital settings for clients who will need treatment. Partial Hospitalization the name for this kind of drug and alcohol treatment program, because the person takes part in drug and alcohol rehabilitation during the day and will then return home in the evening for about seven days per week. This is why these drug and alcohol treatment programs are also referred to as Day Treatment. Partial Hospitalization drug rehab programs help clients deal with substance abuse issues and psychological disorders concurrently so that treatment staff can ensure that the individual won't relapse the moment drug rehabilitation is done.