The first and probably the most basic question - why spanking? I've found a publication about patterns of anti stress general nonspecific adaptation reactions more than 30 years ago. It hasn't been spanking related publication. But why not to try a spanking since it is so common as well as all attendant circumstances? Particularly when depression or other disorders of General adaptation syndrome (GAS) aren't a serious illness yet.
The spanking results not only in the pain. Another important factors are the shame and the anticipation. The adaptation reactions of the spanking's shooting pain accompanied by the shame and the anticipation are common to those of most irritating agents involving stress and distress. Thus it's very simple to model the use of various spanking treatments for activation of adaptation reaction to your mind.
Is that use of the spanking innovative? No, it isn't. Anyone may find a lot of publications in various languages (Russian, English, German or Polish) about the use of the spanking in medicine. The only problem - these publications are in old books and magazines and not on the web. Anyone may find a lot of info about the use of the spanking for the discipline or as a part of the sexual life. Just one has to read it carefully and censorious.