Dr. Campbell was educated in Switzerland where he graduated first in his high school class at age 14; he then completed college in 3 years. After graduating from medical school, Dr. Campbell trained at the Orlando Regional Medical Center and at the Medical College of Georgia. He was medical director of the Medical Center for Immune and Toxic Disorders in Houston for 20 years. Dr. Campbell has published over 90 studies in peer-reviewed medical journals and chapters in medical textbooks, and has received awards from many national and international organizations. He is fluent in French, Spanish, Hungarian and English. He has been on television shows including 20/20, the Montel Williams Show, and 24 Hour Investigative News, and has been interviewed by NBC, ABC and CBS affiliates throughout the United States, as well as in Canada and Mexico. He lectures regularly at national and international medical conferences and at Oxford University. Dr. Campbell is currently the editor-in-chief of 2 peer reviewed medical journals, editor of 4 medical journals and is the medical advisor to several companies. He also is conducting several clinical trials as principal investigator for supplement companies.