oD 40 S81 Lh February 3, 1960 Je. Le He Farr, Chairman Aedical Departnent Re Ae . Compard, Head, Max shall Igtandehedical turveys This memorandu: concerns asi evaluation of the scape and frequency of medical surveys of the Ronrelapese that will be neceasary in the future, particularly suring the next (ive year period. The faliowing facts related to the health status of these people are presented to show the beala for cvaluatian. 1. Thai smpomxe. As & result of the fallout accident on 1 barch 1954, the people of Nomgelap received a high sub-lethal exposure of ganna radiation and extemeive beta bucns of the gkin. In addition radioisotepes were absorbed. The janua wadiation caused significamt deyreseiom of theic blood forming er,ans @iring the géwo sonths following exposure. There way have bean az fect on general metabolien as evidenced by weight lece fer several months in the majority of people and a alight retardation of ,rowth and development of the childrm during the first two years after the accident. The people have largely reaovered from these effects of their exposure with the exceptian of complete recovery af their blood platelets, whose mean level is still slightly below the level of the wmiexpesed congarison poguiatien, but within the mercmal range. 2 5 uf greater concern now is the possible development of late effects of radiation based om hnowleige gained from animal studies anu (rom linited experience with mean beings. seme of theae effects which way poselbly appear in the Mac- sbaliese are: ghertwming of Life span, promatuce ageing, increase in degenerative diseases. increased incidence of welignancies, cevelop~ment of opacities of the lens of the eyes aad genetic changes. Such fects heave not yet been observed in the “arshallese tut continued emnination is considered necessary in orcer te detect and carry cut bLIZ8ll treatment of any disenses that any develop as soon ag they nicht appear. To thie od « cancer detection pregram will be inatituted is the surveys. This will include careful observation of the residual cara of beta ims for signe of malignant change. ia the japanese mposed to the atomic bombiizs an increased incicence of Leukenia, REPOSITORY Wlachuites)MUartau/ becoete Corte COLLECTION IEE ~ bh 80x Ne KoxFOLDEA Lo BEST COPY AVAILABLE

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