Understanding the Health Effects of Soyfoods and Unfair Characterization of Promotional Efforts by the Soyfood Industry Entendendo os efeitos de alimentos à base de soja à saúde e esforços promocionais injustamente caracterizados da indústria de soja

In her discussion of the literature, Dr. Azevedo fails to differentiate human from non-human research and omits relevant research. For example, in commenting about isofl avones causing thyroid dysfunction, a 1991 article published in Japanese is cited but not a 2006 review8 that evaluated this study along with 13 other clinical trials, nor a subsequently published 3-year trial,4 both of which demonstrate that isofl avones do not adversely affect thyroid function in euthyroid individuals.