Recovery is variously called a process, an outlook, a vision, a guiding principle. There is neither a single agreed-upon definition of recovery nor a single way to measure it. But the overarching message is that hope and restoration of a meaningful life are possible, despite serious mental illness and/or addiction disorder.
Relapse :
In general, to fall back to a former condition. Relapse is a common occurrence in many chronic disorders that require behavioral adjustments to treat effectively.
Research:
To study (something) thoroughly so as to present in a detailed, accurate manner: researching the effects of acid rain.
Residential Treatment:
A type of program where people stay overnight at a treatment facility for a few days to several months to participate in rehabilitation and recovery.