In the past, Big Tobacco has compared the addictiveness of cigarettes with M&M's.
"The State of Minnesota By Hubert H. Humphrey, III, Its Attorney General, vs. Philip Morris Incorporated. Deposition of Calude E. Teague, Jr. With Exhibits 1088-1100 Plus Exhibit A." Truth Tobacco Industry Documents. 08 Jul. 1997. Deposition.http://legacy.library.ucsf.edu/tid/ugn82d00/pdf