Narconon is a Scientology organization that is disguised as rehabilitative care-- with treatments like having to spend many hours in a sauna and being given excessive amounts of niacin. Lacking professional medical direction the program is operated by alumni who graduated from the process like Samantha Eidson, who was a Course Supervisor for Narconon in the late '80s.
Here is Samantha's website:
http://www.anaccidentalscientologist.com
Stay tuned, Before You Go (48:51): Rachel dives into the inner workings of many front groups like Narconon that Scientology and other groups use to recruit the unsuspecting public.
In Part 2: "I got to be a Scientologist by accident"... Samantha is rescued from the Narconon program and the grips of Scientology.