Book excerpt: Discover Nature's Universal and Omnipotent Healing Solution! We need not look any further than Prof. Arnold Ehret's Rational Fasting to find the most powerful and practical approach to the art of fasting . . . In this masterpiece, Arnold Ehret explains how to successfully, safely, and rationally conduct a fast in order to eliminate harmful waste from the body and promote internal healing. Also included are famous essays on Ehret's teachings by Fred Hirsch and long-time devotee Teresa Mitchell. You will learn: The Common Fundamental Cause in the Nature of Diseases Complete Instructions for Fasting Building a Perfect Body through Fasting Important Rules for the Faster How Long to Fast Why to Fast When and How to Fast How Teresa Mitchell Transformed Her Life through Fasting "The physical and mental welfare of millions of individuals living today are desperately searching for a truthful presentation of this knowledge found only in Prof. Arnold Ehret's message and it is therefore eagerly awaited by an expectant world!" - Fred S. Hirsch, Student of Arnold Ehret and previous owner of Ehret Literature Publishing "I have been an Ehret devotee for the past twenty-five years and I shall remain so until the end of my days. My greatest desire is to share with others the wonderful results I have gained, both in physical and mental health." -Teresa Mitchell, Student of Arnold Ehret and author of My Road to Health. The principles found in Rational Fasting are needed today more than ever! In a world where natural healing methods have been largely forsaken by the masses, Ehret sheds light on the powerful art of fasting and its supreme role in regenerating the human body, mind, and spirit.