I further found that there were many spots in the nose, mouth, throat, and on both surfaces of the tongue which, when pressed firmly, deadened definite areas to sensation. Also, that pressures exerted over any bony eminence, on the hands, feet, or over the joints, produced the same characteristic results in pain relief. I found also that when pain was relieved, the condition that produced the pain was most generally relieved. This led to my “mapping out” these various areas and their associated connections, and also to noting the conditions influenced through them. This science I have named zone therapy. It is somewhat complicated in many of its aspects, but I shall try and make it as clear as may be. I would emphasize, however, that to master it requires long study and patient application. In zone therapy we divide the body longitudinally into ten zones, five on each side of a median or central line. (See Figs. 1 and 2.) The first, second, third, fourth and fifth zones begin in the toes and end in the thumbs and fingers, or begin in the thumbs and fingers and end in the toes, if you prefer it this way. For instance, the first zone extends from the great toe up the entire height of the body, including the chest and the back, and down the arm into the thumb. The other digits are related to their particular zones, in like manner. The tongue is divided into ten zones. Pressure on the dorsal (top) surface of the individual zones on the tongue affect the corresponding anterior (or front) sections of zones everywhere throughout the body. But firm pressures on the tongue, continued for several minutes, affect both back and front zones. The hard and soft palate (forming the roof of the mouth) and the posterior walls of the pharynx (the back of the throat) and epipharynx (where the back of the nose and throat join) are divided in the same way, and posterior pressure or contact affects posterior sections of zones; while anterior pressure or contact affects anterior sections of zones. Traction (or pulling with a hooked probe--see B, Fig. 11) on the soft palate in the epipharynx affects the anterior zones, and traction on the anterior pillars of the fauces, (pillars in front of the tonsils) affects zones one, two, three, four and five, especially in arms and shoulders in the posterior sections of zones. Pressure on the anterior surface of the lips and the anterior surface of the anterior pillars of the fauces affects the anterior surface of all zones. Pressure on the posterior surface of the lower lips affects the posterior sections of all zones.