Book excerpt: Dr. Anshul Gupta is a speaker, author, researcher, and world expert in Hashimoto's disease. He is a Board-Certified Family Medicine Physician, with advanced certification in Functional Medicine, Peptide Therapy, and also Fellowship trained in Integrative Medicine. Through his innovative approach toward Hashimoto's disease, he has helped several patients reverse their unresolved symptoms and live their lives to the fullest. He is now on a mission to help one million people reverse their health conditions. To achieve this mission, he has started a virtual functional medicine practice, a blog, and video series to reach people from all over the world.