IL17A and Autoimmunity: Therefore, in assessing patients with autoimmune disorders, the measurement of Th1 (IFN-γ), Th2 (IL-4, IL-5, IL-13) and Th17 (IL-17) cytokine production by cultured lymphocytes will guide CAM practitioners in tailoring proper treatments for Th1- and Th17-mediated autoimmune diseases.