CONTENTS. V 



PAGE. 



State of nutrition 192 



Popular beliefs regarding the state of nutrition 193 



Body-weight as index of food requirement 193 



Transitory variations in body-weight 194 



Basal metabolism 196 



Constancy in basal metabolism 196 



Method of presenting data for basal metaboUsm 199 



Variations in nutritional level 200 



Discussion of results 204 



Body-weight 204 



Normality of initial body-weights 205 



Normahty of minimum body-weights 208 



Individual body-weight curves 209 



Body-weight curves of Squad A 210 



Effect of unrestricted meals 222 



Special factors influencing changes in body-weight 223 



Body-weight curves of Squad B 225 



Losses in body-weight due to restriction in diet 227 



Post-diet increases in body-weight of Squad A 228 



Body-weights compared to mortaUty standards 230 



Anthropometric data 231 



General body condition 233 



Body-surface 241 



Body temperature 245 



Rectal temperature measm-ements 246 



Skin temperature measurements 249 



Relation of body temperature to muscular activity 253 



Conclusions regarding effect of diet on body temperature 254 



Difficulties in temperature regulation as indicated by clothing 255 



Squad A 257 



Squad B 258 



Diets 260 



Proportions of nutrients in the diet 265 



Extra foods 266 



Uncontrolled meals 268 



Caloric allotment 270 



Introspection regarding diet 272 



Squad A 272 



Squad B 281 



Caloric intake needed for weight maintenance 283 



Digestion experiments 290 



Digestion experiments with Squad A on reduced diet 292 



Digestion experiment with Squad B on greatly reduced diet 296 



Urine 298 



Statistical records of urine for Squad A 298 



Nitrogen intake and output of Squad A 300 



Normal urinary nitrogen of a group of college students 306 



Statistics of urine for Squad B on reduced diet 308 



The nitrogen balance 309 



Nitrogen balance and energy available to body, Squad A 312 



Nitrogen balance and energy available to body, Squad B 344 



Correction of prehminary statements 354 



Nitrogen output of medical students 355 



Nitrogen output of Squad A at low-weight level 356 



Clinical examination 357 



Details of clinical examination 357 



General observations 359 



lUness 359 



Blood examination 364 



