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Portion Control
The ready availability of large portions of inexpensive, palatable, calorie-dense foods is a characteristic of an obesogenic environment. Portion size has a robust effect on energy intake and, therefore, may play an important role in the etiology of obesity. This entry reviews trends in the size of portions available commercially, provides an overview of the effects of portion size on energy intake in adults and children, and presents suggestions for how dietary and food marketing strategies can be used to help get portions back in synchrony with consumers’ energy needs.
Portion-Size Trends
Since the 1970s, portion sizes of commercially available foods and beverages have increased significantly both inside and outside the home. Portion sizes of many marketplace foods and beverages often greatly exceed serving size standards specified ...
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