Diane Underwood is NOT a physician or practitioner. However she has trained many physicians (MD's, DO's N.D.'s) professionally since 2002 how to use infrared saunas properly. These statements have not been evaluated by the FDA. The above or any information from the Hyperthermia Training Class, Reverse Aging Naturally or our website is not intended to diagnose, treat, cure or prevent disease. The information contained herein is not intended as a substitute for personal medical advice or prescriptions. Before making any decision regarding your health, please consult a physician or other qualified health-care practitioner before using infrared saunas, light therapy or anything new. Our sales policy is as follows- All Sales Are Final.