Dr. Esther Konigsberg is a trained conventional medical doctor, but felt she could help her patients more fully by utilizing holistic and integrative medicine. Her clinics are in Toronto and Burlington, Ontario, Canada. Her many layers of therapy include stress management, sleep, hygiene, nutrition, diet, supplements, testing, bio-identical hormone, and LDN. She often treats patients who have conditions not resolved by their conventional doctors. She successfully utilizes Low Dose Naltrexone for a broad range of autoimmune diseases including cancer.