Description of the Skin; Functions of the Skin; the Physiologic Effects of Water, Hot and Cold; the Chief Varieties of Baths; Ablutions; the Tub Bath; the Alcohol Rub; the Cold Dip; Alkaline and Saline Baths; the Rain Douche or Shower Bath; the Hot Foot-bath; the Sitz Bath; Salt Ablution; the Turkish Bath; the Electric-light Bath; Indications for the Use of Turkish Bath, and Contraindications; the Douche; Rationale of the Douche; Contraindications. The Internal Use of Water; Its Action on the Heart and Blood, on the Digestion; Therapeutic Indications for the Use of Water; Contraindications for Drinking Cold Water. Enemas; Vaginal Douche; Douching the Ear. CHAPTER III THE CARE OF THE SKIN AND ITS APPENDAGES 57 The Complexion; the Action of the Bath in Health; the Proper Time to Bathe; the Care of Wash-cloths; Cleansing the Face; Protection of the Face; the Use of So-called Cosmetics for the Face; Facial Blemishes, Freckles, Liver Spots, Sallow Complexion, Pimples; Acne, Eczema, Wrinkles and Their Treatment; the Relation of Diseases of the Skin to Internal Disorders. The Hair; Dandruff; Causes and Treatment of Premature Thinness of the Hair and Baldness; the Care of the Hair; Gray Hair. The Cosmetic Care and Treatment of the Hands; Cosmetic of the Nails; the Care of the Feet; Painful Affections of the Feet. CHAPTER IV THE DIGESTIVE SYSTEM: GENERAL PRINCIPLES IN HUMAN NUTRITION AND DIETETICS 80 The Digestive Tract; Care of the Mouth and Teeth; Controlling Factors of Digestion; Psychic Aspect of Digestion; Importance of Mechanical Factors; Chemical Changes of Food in the Stomach; Intestinal Digestion; Metabolism; Constipation and Its Treatment. The Amount of Food Required; the Classification of Foods; Standard Dietaries; Maintenance Diet; Relations of Diet to Various Conditions of Life; Practical Facts for Guidance; Dietary in the Tropics; Food Economics; Table of Food Values. The Physiologic Action of Moderate Doses of Alcohol; the Effect of Alcohol on the Muscular System; the Effect of Alcohol on the Nervous System. CHAPTER V THE RESPIRATORY AND CIRCULATORY SYSTEMS: THE KIDNEYS 137 The Mechanics of Circulation and Respiration; the Circulatory Apparatus; the Lungs; Hygiene of the Lungs and Its Relation to the General Health; Relation of Respiration to Body Heat; the Respiratory Functions of the Abdominal Muscles; the Importance of Good Chest Development, Proper Relation Between the Height, Weight, and Chest Measurements; Chemical Properties of Air; Town and Country Air; Dust and Its Relations to Disease; Rôle Played by Bacteria; Ventilation; the Injurious Effects of Overheated Air; the Proper Degree of Moisture for the Air of the House; Ventilation of Bed-rooms.