Mouth breathing, 45-56; and delinquency, 47; adenoid parties, 55; causes deafness, 83; injures baby teeth, 89; industrial disadvantage of, 195; in Labrador, 197; preventable defect, 272; inefficient inspection of, 300 National Association for the Study and Prevention of Tuberculosis, 236, 246 National Board of Health, 133, 292, 308 National Bureau of Labor, 199 National Bureau of Census, 305 National Bureau of Animal Industry, 306 National Bureau of Education, 171, 292 National Playground Association, 118 National School Hygiene Association, 139 Nature Fore and Nature Back, 398-403 Negroes and alcoholism, 350 Nervousness, 85; and school life, 108; physical defects, 110; preventable, 111; causes of, 112; habit, 111, 113; from tobacco, 363 Neurasthenia. See _Mental Hygiene_ New Jersey, 12 Newsholme, Arthur, M.D., 120, 131, 229, 241 New York City, 16, 25, 34 New York Juvenile Asylum, 47 New York state, 12, 24 New York State Charities Aid Association, 236, 242 Nicotinism. See _Tobacco_ Normal schools, 110 North, Professor Lila V., 142 Notification of diseases, 31, 41 Nuisances, 17, 18, 23, 366 Nurses at school, 230, 286, 293, 300. See _Milk_ Oliver, Thomas, 203 Orthopedics. See _Tuberculosis_ Ophthalmia, 65 Oppenheimer, Nathan, M.D., 110 Osteopathy, 275 Panama, 59 Parents: and school hygiene, 3; interested by examinations, 41; should cooeperate with physician, 279; interested in school examinations, 297; need health reports, 310; heredity, 335-342; nicotinism, 368 Parks and playgrounds, 7, 32, 118, 122, 142, 186, 290, 294 Parochial schools, 189, 198 Patent medicines: evils of, 369-377; advertisements, 380 Patten, Professor Simon N., 9, 14, 33, 165 Pediculosis, 69-71 Pennsylvania, 311 Philadelphia, 34 Phthisis. See _Tuberculosis_ Physical training, 115-117; in New York City, 296; and sex hygiene, 387 Physician: preventive medicine, 268-282; and eyes, 81; semi-annual visit to, 204; self-advertisement, 378; school, 173, 286, 293, 315 Physiological age, 105, 289, 387 Pittsburgh, 269 Plague, 15, 57 Pneumonia, 67, 379 Preventable diseases: those not communicable, 272. See _Catching Diseases_ Private schools, 189, 198, 283, 291, 330 Prohibition laws, 348, 350, 355 Pro-slum motive, 19-20 Public Education Association, New York, 287, 298 Publicity, 45, 81, 99, 292, 310-321, 382 Quarantine, first, 15; national, 308 Records: of disease centers, 31; defective, 32; individual, 35, 312-314 Reform's failure, 349 Registration: of diseases, 31 Relief, material: sound principles of, 174; at school, 175, 179, 184; indiscriminate, harmful, 332 Richman, Julia, 172 Riggs disease, 92 Rights: political, 21; not enforced, 23-32; of workmen at work, 190; machinery for enforcing, 283-322 Riis, Jacob, 18 Ringworm, 65 Rochester, N.Y., 262, 266 Rome, 15 Roosevelt, Theodore, 60, 118