X CONTENTS. 



PAGE 



Foods. Hygiene of Digestion. Deliberation in Eating. Thorough 

 Mastication. Fleets of Repose on Digestion. Conversation at 

 Meals. Value of Soups and Desserts. Hot Drink at Meals. Time 

 of Meals. Eating between Meals. Amount of Food Needed. 

 Errors in Diet. 



CHAPTER XII. 



NUTRITION 195 



Ledger Account of the Body and its Organs. Blood a Mixture of 

 Good and Bad. Action of Diseased Kidneys. Blood Stream like 

 Water Pipes and Sewer Combined. A Living Eddy. Importance 

 of Renewal of Blood and Lymph. Fat as a Tissue. Hibernation. 

 Respiration and Oxidation of Candle. Glycogen. Muscular Exer- 

 tion and Excretion of Urea. Metabolism. Indestructibility of 

 Matter. Indestructibility of Force. Utilization of Energy in the 

 Body and in Machines. Correlation and Conservation of Energy. 



CHAPTER XIII. 



ALCOHOL 208 



Alcohol and Crime. Alcohol and Energy. Alcohol and Heat. Alco- 

 hol and Muscular Energy. Arctic Explorers. Alcohol and Train- 

 ing. Stimulants. Narcotics. Temperance Drinks. Testimony of 

 Physiologists. Testimony of Army Officers. Testimony of a Natu- 

 ralist. Physiological Effects of Alcohol. 



CHAPTER XIV. 



EXERCISE AND BATHING 226 



How Exercise is Beneficial. Exercise for General Health. Nature's 

 Rewards and Punishments. Exercise prolongs Life. Choice of 

 Exercise. Games of School Children. Tennis. Baseball and 

 Football. Boxing. Bicycling. Exercise for Middle-aged Men. 

 Taking Cold. Diarrhea. Bathing. Cold Baths. Bath Mits. Time 

 for Bathing. Warm Baths vs. Cold Baths. Exercise Arterial Mus- 

 cles. Habit of Cold Bathing acquired gradually. 



CHAPTER XV. 



THE BRAIN 235 



The Coverings of the Brain. Parts of the Brain. The Cerebrum. 

 The Cerebellum. ' The Spinal Bulb. Brain of a Cat or Rabbit. 

 Cranial Nerves and their Functions. Hemispheres of the Cerebrum. 

 Brain Convolutions and Intelligence. Gray and White Matter of 

 the Brain. Neuroglia. Functions of the Cerebrum. Pigeon 

 with Cerebrum Removed. Functions of Cerebral Cortex. Center 



