Clark claimed she could cure all diseases, whereas, she asserted, conventional treatments for diseases, such as cancer and HIV/AIDS, often only aim to relieve symptoms. She was described in the book "Denying AIDS" as "perhaps the first quack AIDS curer." David Amrein's website contains a disclaimer stating that her treatments are "not prescribed as treatment for medical or psychological conditions" and "...the treatments outlined herein are not intended to be a replacement or substitute for other forms of conventional medical treatment." Nonetheless, Clark advocated for the use of her methods as a substitute for standard medical care: