Postprandial cholecystokinin secretion in elderly with protein-energy undernutrition.

Objective: Malnutrition is currently observed in aged people, and cholecystokinin is an important peripheral satiety signal. The aim of this study was to examine the effect of aging and protein-energy malnutrition on postprandial cholecystokinin (CCK) release.

Design: Non-randomized, cross-sectional comparison by age group.