In early September the American Medical Association (AMA) released an analysis of the potential impacts of the proposed health insurance mergers between Anthem and Cigna, and Aetna and Humana. In a statement, AMA President Steven Stack said, "A lack of competition in health insurer markets is not in the best interests of patients or physicians." Overall, the AMA's analysis predicts that the mergers will exceed federal antitrust guidelines designed to preserve competition i [...]