Keystone Total Health is a functional medicine practice based in Columbia, Tennessee, specializing in root-cause care for complex chronic health concerns. The practice uses advanced functional laboratory testing, personalized analysis, and individualized care plans to address issues such as mold illness, Lyme disease, chronic inflammation, autoimmune concerns, hormone imbalances, gut disorders, and chronic fatigue. Dr. Martin Hart and Dr. Aoki combine functional medicine, biological medicine, natural healthcare, and other integrative approaches to create personalized wellness plans for patients.