CHAPTER I: THE BODY-REPUBLIC AND ITS DEFENSE CHAPTER II: OUR LEGACY OF HEALTH: THE POWER OF HEREDITY IN THE PREVENTION OF DISEASE CHAPTER III: THE PHYSIOGNOMY OF DISEASE: WHAT A DOCTOR CAN TELL FROM APPEARANCES CHAPTER IV: COLDS AND HOW TO CATCH THEM CHAPTER V: ADENOIDS, OR MOUTH-BREATHING: THEIR CAUSE AND THEIR CONSEQUENCES CHAPTER VI: TUBERCULOSIS, A SCOTCHED SNAKE CHAPTER VII: TUBERCULOSIS, A SCOTCHED SNAKE CHAPTER VIII: THE GREAT SCOURGE CHAPTER IX: THE NATURAL HISTORY OF TYPHOID FEVER CHAPTER X: DIPHTHERIA CHAPTER XI: THE HERODS OF OUR DAY: SCARLET FEVER, MEASLES, AND WHOOPING-COUGH CHAPTER XII: APPENDICITIS, OR NATURE’S REMNANT SALE CHAPTER XIII: MALARIA: THE PESTILENCE THAT WALKETH IN DARKNESS; THE GREATEST FOE OF THE PIONEER CHAPTER XIV: RHEUMATISM: WHAT IT IS, AND PARTICULARLY WHAT IT ISN’T CHAPTER XV: GERM-FOES THAT FOLLOW THE KNIFE, OR DEATH UNDER THE FINGER-NAIL CHAPTER XVI: CANCER, OR TREASON IN THE BODY-STATE CHAPTER XVII: HEADACHE: THE MOST USEFUL PAIN IN THE WORLD CHAPTER XVIII: NERVES AND NERVOUSNESS CHAPTER XIX: MENTAL INFLUENCE IN DISEASE, OR HOW THE MIND AFFECTS THE BODY