It is sincerely hoped that this hygiene will fill the long-felt need on the part of our Faculty for such a text, and that pediatrics considered chiropractically will be of assistance to those in the field who have requested a work on this subject. February, 1924. JOHN H. CRAVEN TABLE OF CONTENTS PAGE Dedication 5 Preface 7 SECTION I CHAPTER PAGE I. Introduction 13 II. Housing Hygiene 28 III. Air 44 IV. Ventilation 65 V. Heating 79 VI. Lighting 95 VII. Water 103 VIII. School Hygiene 140 IX. Industrial Hygiene 156 X. Definitions 171 XI. Immunity 181 XII. Germs 195 XIII. Disinfection and Fumigation 207 XIV. Hygiene and Sanitation of the Sick Room 217 XV. Food 231 XVI. Food Poisons 245 XVII. Milk 254 XVIII. Meat 267 SECTION II I. The Baby 277 II. Dentition 299 III. Analyzing Infants 307 IV. Adjusting Infants 321 V. Respiratory System 327 VI. Digestive Tract 353 VII. Miscellaneous 373 Index 393 CHAPTER I INTRODUCTION INTRODUCTION ORIGIN OF WORD HYGIENE HYGIENE DEFINED PERSONAL PUBLIC SANITARY SCIENCE SANITARY ART DISTINCTION BETWEEN SANITATION AND HYGIENE AIM AND FUNCTION OF HYGIENE AND SANITATION TO INCREASE INTERNAL RESISTANCE TO IMPROVE ENVIRONMENTAL CONDITIONS INTERNAL AND EXTERNAL CLEANLINESS ESSENTIAL TO HEALTH CHIROPRACTORS INTERESTED IN SEWERAGE SYSTEM OF THE BODY CHYME CHYLE ABSORPTION ELIMINATION