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Impulsive personality linked to food addiction
Date:1/24/2014

y shows that impulsive behavior was not necessarily associated with obesity, but impulsive behaviors can lead to food addiction," MacKillop said.

That is, just because someone exhibits impulsive behavior does not mean they will become obese, but an increase in certain impulsive behaviors is linked to food addiction, which appeared to be the driving force behind higher BMI in study participants.

These results are among the first forays into the study of addictive eating habits and how they contribute to obesity. Working with a grant from UGA's Obesity Initiative, MacKillop's team now plans to expand their research by analyzing the brain activity of different individuals as they make decisions about food.

The contemporary food industry has created a wide array of eating options, and foods that are high in fat, sodium, sugar and other flavorful additives and appear to produce cravings much like illicit drugs, MacKillop said. Now they will work to see how those intense cravings might play a role in the development of obesity.

"Modern neuroscience has helped us understand how substances like drugs and alcohol co-opt areas of the brain that evolved to release dopamine and create a sense of happiness or satisfaction," he said. "And now we realize that certain types of food also hijack these brain circuits and lay the foundation for compulsive eating habits that are similar to drug addiction."


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Contact: James MacKillop
jmackill@uga.edu
706-542-3033
University of Georgia
Source:Eurekalert

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