Dr. Stephanie Seneff is a Senior Research Scientist at MIT's Computer Science and Artificial Intelligence Laboratory in Cambridge, Massachusetts, USA. She has a BS degree from MIT in biology and MS, EE and PhD degrees from MIT in electrical engineering and computer science. Her recent interests have focused on the role of toxic chemicals and micronutrient deficiencies in health and disease, with a special emphasis on the pervasive herbicide, glyphosate, and the mineral, sulfur. Since 2008, she has authored over 40 peer-reviewed journal papers on these topics. She is the author of a book on glyphosate, titled "Toxic Legacy: How the Weedkiller Glyphosate Is Destroying Our Health and the Environment," which was released by Chelsea Green publishers on July 1, 2021. This book was selected by Kirkus Reviews as one of the best non-fiction books of 2021. She has recently become fascinated with the role of deuterium (heavy hydrogen) in health and disease.