When one gets chronic illnesses such as diabetes mellitus, asthma etc., he is usually considered that is by heredity, and is incurable. He needs to control the chronic illness by taking chemicals everyday all his life. In fact, these chronic illnesses are gotten by deteriorating of body constitution. The healthy body constitution has 6 kinds of entire functions such as nutrition changing, self regeneration & healing, and self equilibrium etc. to communicate with our environment. The healthy body constitution is been deteriorating by 12 chronic illness stimulating factors, and gradually changed to bad body constitution types. They are Weakness Type, Stagnation Type and Hardness Type. And, by losing the ability of maintaining the healthy body condition gradually, one will get chronic illnesses. However, the health will be improved, even cured, by self regenerating & healing the damaged body constitution, if he adopted "the Eight Methods of Self Regeneration Therapy." And these research findings will be used in the books of "Decipherment of The Body Constitution of Diabetes Mellitus" and "Decipherment of The Body Constitution of Difficult and Complicated Diseases." There are a lot of cases and pictures in this book to show you the reality of "the Eight Methods of Self Regeneration Therapy."