Alcohol has some medicinal value. It can be grossly overestimated. Very little is known about these studies. The phone number given by John Duff seems also to be out of use, so TAIM has either ceased trading or changed its name and location. The name of the organization responsible for the Swedish study is not known.
Nothing is said about the source, duration or methodology used for either studies.
It is not clear whether this reference is to the same or to different studies. These statistics have been claimed to the the effectiveness after 1 year. But the curriclium gives the game away. ABLE is a well known Scientology front organization.