Also known as a "colonic", "colon lavage", colon irrigation", or "high colonic", colonic hydrotherapy is a safe, effective method for cleansing the colon of waste material by repeated, gentle flushing with water Did her training in the UK, was taught by Dr. M. Siewert who founded the Colonic International Association in 1987.The Colon Health Centre was started in 2000.She Believes in the therapy and was motivated into this field of study by her grandmothers experience with colon cancer in 1977, which she survived but could have been more informed.