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Slower-paced meal reduces hunger but affects calorie consumption differently
Date:12/29/2013

Philadelphia, PA, December 30, 2013 Obesity rates in the United States increased from 14.5% of the population in 1971-1974 to 35.9% of the population in 2009-2010. It's believed that one contributing factor to expanding waistlines is the reported increase in energy intake. Research suggests that the ability to control energy intake may be affected by the speed at which we eat, and a high eating rate may impair the relationship between the sensory signals and processes that regulate how much we eat.

In order to learn more about the relationship between eating speed and energy intake, a team of researchers in the Department of Kinesiology at Texas Christian University took a look at how eating speed affects calories consumed during a meal in both normal weight subjects as well as overweight or obese subjects. The investigators also collected data on feelings of hunger and fullness before and after the fast-paced and slow-paced meals and water consumption during the meals. Their results are published in the Journal of the Academy of Nutrition and Dietetics.

While previous studies have reviewed the relationship between eating speed and body weight, most of those studies were conducted with normal-weight individuals. In this new study, investigators asked a group of normal-weight subjects and a group of overweight or obese subjects to consume two meals in a controlled environment. All subjects ate one meal at a slow speed, for which they were instructed to imagine that they had no time constraints, take small bites, chew thoroughly, and pause and put the spoon down between bites, and a second meal at a fast speed, for which they were instructed to imagine that they had a time constraint, take large bites, chew quickly, and not pause and put the spoon down.

At the conclusion of the study, researchers found that only normal-weight subjects had a statistically significant reduction in caloric consumption during the slow compared to
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Contact: Eileen Leahy
andjrnlmedia@elsevier.com
732-238-3628
Elsevier Health Sciences
Source:Eurekalert

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