This article points out the recent changes in acceptable thyroid hormone levels. Patients should know the new rules. Doctors should know the new rules, although, sadly, many do not. The author/doctors of the book mentioned in this article are proponents of patients being their own best healthy advocates, empowering individuals to question their doctors during the testing/evaluation process. I was not aware of the foods to avoid, so the list included in this article was very interesting to me.