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Rutgers University, U.S.

Portion distortion may contribute to expanding waistlines, study reports

Published in Fitness and Wellness Business Week, September 27th, 2006

New research shows that people's perceptions of normal portion sizes have changed in the past 20 years. A study out of Rutgers published in a recent issue of the Journal of the American Dietetic Association reports the cause may be Portion Distortion, a phenomenon that occurs when consumers perceive large portion sizes as appropriate amounts to eat at a single eating occasion.

"It has previously been established that portion sizes of virtually all foods and beverages served at restaurants and packaged for single-serve have dramatically increased over the last two decades," said Jaime Schwartz MS, RD, who was a graduate student at Rutgers at the time of this...

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