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Eat a protein-rich breakfast to reduce food cravings, prevent overeating later, researcher finds
Date:5/19/2011

COLUMBIA, Mo. A University of Missouri researcher has found that eating a healthy breakfast, especially one high in protein, increases satiety and reduces hunger throughout the day. In addition, using functional magnetic resonance imaging (fMRI) the researchers found that eating a protein-rich breakfast reduces the brain signals controlling food motivation and reward-driven eating behavior.

"Everyone knows that eating breakfast is important, but many people still don't make it a priority," said Heather Leidy, assistant professor in the MU Department of Nutrition and Exercise Physiology. "This research provides additional evidence that breakfast is a valuable strategy to control appetite and regulate food intake."

In the study, Leidy assessed physiological hunger and satiety by measuring perceived appetite sensations and hormonal markers in combination with psychological reward-driven motivation to eat, using fMRI to identify brain activation in specific regions related to food motivation and reward.

The researchers decided to target 'breakfast-skipping' teens for two reasons, Leidy said. First, breakfast skipping has been strongly associated with unhealthy snacking, overeating (especially at night), weight gain and obesity. Second, approximately 60 percent of adolescents skip breakfast on a daily basis.

For three weeks, the teens either continued to skip breakfast or consumed 500-calorie breakfast meals containing cereal and milk (which contained normal quantities of protein) or higher protein meals prepared as Belgium waffles, syrup and yogurt. At the end of each week, the volunteers completed appetite and satiety questionnaires. Right before lunch, the volunteers completed a brain scan, using fMRI, to identify brain activation responses.

Compared to breakfast skipping, both breakfast meals led to increased fullness and reductions in hunger throughout morning. fMRI results showed that brain activation i
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Contact: Emily Martin
MartinEm@missouri.edu
573-882-3346
University of Missouri-Columbia
Source:Eurekalert  

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