During 1969, L. Ron Hubbard researched the causes and effects of drug use and addiction, developing procedures that addressed the causes of, and removed the harmful mental effects brought about by such abuse.
He issued these findings for widespread use.
Technical Bulletins for 1969 can be found at this link in chronological order here on the site in PDF format and are downloadable. - (Under construction and usable)
No lectures to post just yet...