Dr. D. Karalis is a qualified naturopathic physician since 1973 with 32 years of clinical experience. His popularity was further increased with the opening of the first biologically healing clinic in South Africa. He has had great success in diseases like arthritis, neuritis, prostate enlargement, migraines, chronic fatigue, insomnia, dyspepsia, diabetes, cancers, depressions, fears, lung disorders, obesity, dermatitis and many other metabolic diseases. All his healing work has been done by Restoring the metabolism and increasing the immunity system naturally. He is philosophical minded and is the president of the S.A philosophic Neoplatonic society.