Edited sentence: Analyzing and reviewing a book, Vitamin Pushers, by Stephen Barrett and Victor Herbert, Michael Colgan states, "Most of their book does not discuss supplements at all.It is filled with derisive statements about individuals and organizations in the health care and natural foods industries.James A.Mertz, then-President of the American Chiropractic Association, wrote in a letter to Time in 2001: "The American public is being grossly misled by Dr.Stephen Barrett.While he positions himself as a protector of the public, his statements are, in reality, so one-sided that he simply cannot be taken seriously