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School History


1981 - Bonny Casel with Dr Jensen during Iridology Training in Cambridge
Bonny Casel with Students at Kew Gardens 2016
Bonny Casel has been graduating authentic, highly skilled natural health practitioners since 1988 and founded the School of Natural Medicine, UK, offering professional Naturopathy, Master Herbalist, Master Iridologist, and Healing Diets diploma training to British and International students in 2007. The Quantum Botanicals diploma and advanced diploma training, created by Bonny Casel, was launched in 2014.

Bonny Casel began teaching professional courses in Naturopathy, Herbal Medicine and Iridology in 1988 at PureHealth School of Natural Medicine in Boulder, Colorado, and had the opportunity to study with many of the leading pioneers of Naturopathy, Herbal Medicine and Iridology as her mother, Farida Sharan, founded the British School of Iridology and Natural Medicine in Cambridge, England in1977. Bonny’s first teachers in the early 1980’s were Dr. John Christopher and Dr. Bernard Jensen, and from these luminaries of alternative medicine Bonny developed a deep understanding and respect for the power of holistic medicine that embraces personal responsibility for the creation of both health and disease.

Bonny also studied Iridology with Dorothy Hall, Rayid Analysis with Denny Johnson, conducted a five year comparative study of constitutional types in traditional medicine in Nepal, Thailand, India and Cambodia, studied Polarity Therapy at the Alive Polarity Fellowship, and integrated these studies with ongoing study of quantum physics, integrative bio-physics, HeartMath coherence studies, epigenetics, psychoneuroimmunology and other related fields.

Bonny began her teaching career in 1988, offering trainings in Santa Barbara, California at her school, Nature’s Pharmacy and in Boulder, Colorado at PureHealth School of Natural Medicine, with flexible class modules that were devoted to dynamic hands-on skills and interactive teaching that graduated confident, creative and passionate practitioners.

Bonny has continued to expand and deepen her knowledge with a focus on the relationship between physical, emotional and mental health and in 2014 launched the Quantum Botanicals diploma and advanced diploma trainings.

The School of Natural Medicine, UK has attracted a strong international student body for its Naturopathy and Natural Physician Diploma training programs, that combine online courses with Immersion Training in Gloucestershire, Herbal Medicine Immersions in Norfolk, Self Healing and a Clinical Training Retreat.

The School of Natural Medicine, UK, is dedicated to remaining a small school that specialises in training students to the highest level of primary care natural physicians. We offer personal and caring class environments where evolution of the individual and self healing is considered of equal value to academic and clinical training. We are also committed to remaining true to the spirit of holistic and natural medicine; a form of medicine with a long and honourable tradition, a history of deep rooted integrity and with a beauty and sincerity deserving of a practitioner’s lasting passion.

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