Since 1996, author Stephanie Kato has been a colon hydrotherapist specializing in the emotional, mental and spiritual aspects of human beings. She views colon hydrotherapy as deep sacred work, especially when combining the different aspects of her clients as they receive a metaphysical colonic. Her company, Iyasu, offers clients the opportunity to view themselves and their physical issues from these different perspectives. As an author, she hopes to assist others by sharing how she incorporates this metaphysical style, which she created and named – Iyasu ("to heal" in Japanese)