01199nam a2200193 i 4500008004100000040000800041082001300049100000900062245001400071250001900085260004400104300003100148500002000179520062900199650002300828942000800851952013100859999001500990240120s xx 001 0 und d aGCL a613bBYR10aByrd10aHealth / aThird edition. bW.B. Saunders Company,aLondon :c1961. a421 pages :bhbk.c25 cm. aIncludes index. afrom Preface Many changes, starting with Health as a new title, have been made in this revision of the Textbook of College Hygiene These changes have been brought about by new research and new facts in the field of health, by further studies of the health problems and interests of college students and by suggestions for modifications by college and university teacher who have adopted previous editions of the textbook for their classes Seven new chapters have been added, with the following titles Reasons for Health, Stress and Tension, Physical Fitness, Safety in Sport, Malaria, Radiation and Health, and Civil Defense aPhysical Education 2ddc 00102ddc406613_000000000000000_BYR7092285aLPLbLPLcBKd2024-01-20l0o613 BYRp466r2024-01-20 13:05:50w2024-01-20yBK c1608d1608