“…slaughterhouses to remove it from the food supply. Broda Barnes tells some of the stories, for example, in the 1930s, he observed that thyroid deficiency, among other things, caused an extremely high rate of heart attacks and circulatory disease, infectious diseases, circulatory diseases and cancer were the main killers in a hypothyroid population. But when he started popularizing that, there was a reaction and JAMA published a story about a doctor who had given a patient who had just suffered a massive heart attack a”