Prof. Arnold Ehret's Mucusless Diet Healing System: Annotated, Revised, and Edited by Prof. Spira is a complete course for everyone who desires to learn how to control their health. You will learn how to overcome debilitating health issues naturally, identify which foods are mucus-forming, get rid of nasal congestion and terrible coughing, eliminate unnecessary weight, heal yourself of numerous painful ailments, transition safely and permanently toward a mucus-free diet, and combine the mucusless diet with intermittent fasting.