Editorial The Physiology and Pathology of Unusually High Intakes of Nutrients I N HIS summing up of the Conference on Pro-

Stare ’ referred to nutrient intakes which are minimum, optimum or excessive. Whereas much is known of the physiology and pathology of nutritional deficiencies, far less is known of the effects of habitually excessive intakes of nutrients. Experimentally, of course, much may be learned on this subject, but uncertainty over the extent by which findings may be extra-polated to man limits the value of animal studies. In this particular field enlightenment on many problems may be forthcoming from careful studies of certain African populations, primarily because of the gross diversity of diet which varies from one territory to another, and frequently within the same territory. Example