Lita Lee Lita Lee, PhD, has over thirty years of experience in chemical and medical research, and has been an enzyme therapist since 1987. An abiding interest in health and healing led her from the chemistry lab to the medical lab, and finally to clincal practice. Dr. Lee uses her strong scientific background to inform her work as an enzyme therapist. She has also undertaken the mission of informing the public on the dangers of toxins and radiation. Read More Read Less