Board certified in internal medicine and emrgency medicine, Dr. Simpson is founding member of the Ameican Holistic Medical Association, coauthor of Spa Medicine, and medical director of the Ageless...lihat lebih banyakBoard certified in internal medicine and emrgency medicine, Dr. Simpson is founding member of the Ameican Holistic Medical Association, coauthor of Spa Medicine, and medical director of the Ageless Zone Medical Spa in Reno.lihat lebih sedikit