FAMILY HISTORY OF HYPERTENSION AND RATES OF SODIUM TRANSFOF3

In a series of population-based studies, the relationship between a family history of hypertension and sodium transport was examined, In the total sample of 417 individuals, and in each sex-race-specific sub-sample, no significant differences were noted in red cell sodimlithium countertransport, sodium concen- tration, or passive leak. A higher proportion of hypertensives was not found in the group with a positive family history, and blood pressures were only slightly higher in those -- ccsnpared to those without -- a positive family history. If family history of 1379