Sloan Teeple, M.D. is an expert in Testosterone Deficiency and a Board Certified Urologist. Dr. Teeple is a Low-T patient himself and has a mission to increase awareness about Testosterone Deficiency in men. His wife, Susan, has joined him as co-author to share their personal story as a way of encouraging others. Do you know your T-level? It is the key to men's physical, sexual, and mental wellness.