This book presents the method of improving conditions of health through concentrating on seven, eight and nine digit numbers, which Grigori Grabovoi received in the course of his practical work. The seven digit number sequences form the foundation of the system, for further specific conditions, eight and nine digit numbers are given - in the Table of Contents and also throughout the book. Through immersion in this method of health improvement, through concentrating on the number sequences and through a comparison of various and several number sequences, one can address all aspects of a medical condition.