Letters - The Power of Shoes (1 Letter) - NYTimes.com Re "Firm Body, No Workout Required?" (Well, Dec. 8): The women buying into Reebok's sexy marketing campaign for EasyTone sneakers seem to be following the path of Dorothy in "The Wizard of Oz" - because she, too, believed her life would be transformed by a pair of shoes. In view of the flimsy scientific data on which the claims are based, and the lack of any peer-reviewed studies of the shoes, perhaps consumers would be better off following an exercise regimen promoted by the late Carl Sagan: baloney detection. Tom Venuto Hoboken, N.J The writer is the author of "The Body Fat Solution." More Articles in Health " A version of this article appeared in print on December 15, 2009, on page D4 of the New York edition.