Nature cures, not the physician. The action of microbes. The cathartic habit. The true action of cathartics explained, and popular suppositions corrected. A correct solution of the difficulty. "Flushing the colon" as an ancient practice. Dr. Turner's post mortem experiences. Colon distortion illustrated. Objections to the ordinary appliances danger in using the long, flexible catheter. Invention of the "J. B. L. Cascade," and description of it. PART IV. HOW TO USE IT. The complete process of "flushing the colon" explained, step by step, so that even a child might understand it. Objections answered. Advice to users of the treatment. PART V. PRACTICAL HYGIENE. Longevity man's natural heritage. The care of the body absolute cleanliness rare. The function of water in the human organism. Hot water the natural scavenger. The bath. Description of the skin, and its function. Hints on bathing. The wet sheet pack. Importance of fresh air. Interchange of gases in the lungs. Ventilation. Prof. Willard Parker on impure air. The function of the heart. The therapeutic value of sunlight. PART VI. EXERCISE. Motion is life. Effect of exercise on the fluids of the body. How the tissues are nourished. Exercise for invalids. Complete system of breathing exercises for developing the lungs. Improved system of physical exercises, calling into play every muscle of the body ensuring harmonious development. Special nerve exercise. how to stand and how to walk. All the above exercises plainly illustrated. PART VII. THE DIET QUESTION. The replacement of waste. Appetite and hunger. The evils of gluttony. Vegetarianism versus flesh eating. Diet, a question of latitude. The cause of old age. Cretinism. Danger of earthy matters in food substances. Fruits are ideal foods. The true value of bread. Classification of the ingredients of food substances. Table of proportions. Table of digestive values. Vegetarianism discussed. A mixed diet the most reasonable. How to eat. Liquids at meals. When to eat. The no breakfast plan. The effects of alcohol, tea and coffee. Improper habits of eating. The influence of mind upon digestion. The advantages of regularity. Nature's bookkeeping. PART VIII. TREATMENT OF DISEASE. Complete formulas of treatment (with dietary rules) for over fifty different diseases, including Consumption, Appendicitis, Locomotor Ataxia, Paralysis, Dyspepsia, Pneumonia, Diabetes Mellitus, Uterine troubles, etc. Also all the principal ailments of children. PART IX. SOME HELPFUL SUGGESTIONS.