Dr. Thierry Hertoghe (Belgium, 1957) , MD, practices lifespan/reversing aging medicine and hormone therapy. He represents the fourth consecutive generation of physicians specialized in the field of hormone therapy. Dr. Thierry Hertoghe's office in Brussels (Belgium) consists of a team of experienced doctors. He is an internationally known authority in medical therapies oriented to correct hormone deficiencies, reduce aging or even, on some aspects, reverse aging and possibly extend lifespan. Dr. Thierry Hertoghe is the author of several books on hormone therapy for physicians, including the Hormone Handbook (the international bestseller), the Atlas of Endocrinology for Hormone Therapy, Reversing Physical Aging Textbook, Testosterone, etc. For decades, he is a key speaker on adult growth hormone treatment and other hormone treatments in international congresses all over the world.