Nutritional causes of renal impairment in old age.
 The occurrence of renal insufficiency tends to increase in late adulthood.
 This common complication of old age is associated with increased physical dependency, morbidity, and mortality, and a lowered quality of life.
 In this review, the authors will develop the thesis that dietary practices during early and middle adulthood importantly influence the risk of renal insufficiency in the elderly.
