Dr. Root is a Board Certified Occupational Medicine Specialist. Prior to entering private practice, he served the United States Air Force as a flight surgeon for more than 20 years. In 20 years as Medical Director of an occupational medical facility in Sacramento, California, he has supervised the detoxification of more than 3,500 individuals suffering from the effects of occupational or environmental exposure to toxic chemicals and drugs. He has been a co-investigator in a number of published studies of the use of detoxification in treating workplace exposures.