gmail mmbers of unexposed people, it does not appear that this number is excessively high. 6. Other findings common to both exposed and unexposed Marshallese. a. Nutrition. The diet of the Rongelap people is extremely limited in variety although the caloric intake appears to be adequate. They appear to maintain satisfactory nutritional status without gross vitamin deficiency except at the time of the 4 year examinations about 12 children were found to have mild night blindness. This defect was corrected with vitamin A therapy. b. Diseases. The paucity of findings associated with degener- ative diseases in the Marshallese people is striking. ‘hile the population examined is too smail to permit any valid statistical analysis, the clinical impression is that diseases such as atherosclerosis and hypertension ace considerably less common and of less severity than in a comparabie group of our population. Hlectrocardiographic tracings revealed a low incidence of positive findings and the general age appearance of the trace ings is younger than would be expected. This is in contrast to the general impression that these people age more quickly and possibly have a shorter life span. discussion. No cases of malignancy have been seen in the populations under There has been a general feeling that conditions such as peptic ulcer, hernia, varicose veins, hemorrhoids, and vaginal prolapse are much less common than one might anticipate in examining a random group of people of similar age in our society. the high incidence of kyphoscoliosis. One interesting finding has been The cause is not apparent. Skin infections, particularly with tenia versicolor and impetigenous lesions in children, have been quite prevalent though dermatophytosis of the feet has been of low incidence. Extensive dental caries was commonly found. “id=