POINTS ON PRACTISE 1231 Introduction to Points on Practise 1233 Suggestions for the Practitioner 1236 Value of Experience 1239 Value of Diagnosis 1241 Educate Your Patient 1242 Effect of Mental Conditions 1245 Publicity 1247 Be Courteous and Tolerant 1250 _Lesson XIX_ EVOLUTION OF MAN 1253 What is Evolution? 1255 The Three Great Proofs of the Evolution of Animal Life 1261 Man's Animal Kinship 1265 _Lesson XX_ SEX AND HEREDITY 1277 The Origin of Sex 1279 A Rational View of Sexual Health 1285 Embryological Growth--Prenatal Culture 1289 Heredity 1293 What Heredity Is 1295 Summary of Facts regarding Sex and Heredity 1297 _Lesson XXI_ REST AND SLEEP 1299 Rest 1301 The Old Physiology 1305 Rest and Recreation 1306 Sleep 1308 Some Reasons 1310 Oxidation and Air 1312 _Lesson XXII_ A LESSON FOR BUSINESS MEN 1315 A Good Business Man 1320 The Routine Life of the Average Business Man 1322 Some Suggestions for a Good Business Man 1324 _Lesson XXIII_ EXERCISE AND RE-CREATION 1327 Exercise 1329 Constructive Exercises 1330 Exercise for Repair 1331 Physiology of Exercise 1333 Systems of Physical Culture 1338 Program for Daily Exercise 1343 Re-creation 1346 LESSON XVI <sc>Adapting Food to Special Conditions</sc> INFANT, OLD AGE, AND ATHLETIC FEEDING, SEDENTARY OCCUPATIONS, CLIMATIC EXTREMES