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Training your brain to prefer healthy foods
Date:9/1/2014

x months, this area had increased sensitivity to healthy, lower-calorie foods, indicating an increased reward and enjoyment of healthier food cues. The area also showed decreased sensitivity to the unhealthy higher-calorie foods.

"The weight loss program is specifically designed to change how people react to different foods, and our study shows those who participated in it had an increased desire for healthier foods along with a decreased preference for unhealthy foods, the combined effects of which are probably critical for sustainable weight control," said co-author Sai Krupa Das, Ph.D., a scientist in the Energy Metabolism Laboratory at the USDA HNRCA and an assistant professor at the Friedman School. "To the best of our knowledge this is the first demonstration of this important switch." The authors hypothesize that several features of the weight loss program were important, including behavior change education and high-fiber, low glycemic menu plans.

"Although other studies have shown that surgical procedures like gastric bypass surgery can decrease how much people enjoy food generally, this is not very satisfactory because it takes away food enjoyment generally rather than making healthier foods more appealing," said first author and co-corresponding author Thilo Deckersbach, Ph.D., a psychologist at Massachusetts General Hospital. "We show here that it is possible to shift preferences from unhealthy food to healthy food without surgery, and that MRI is an important technique for exploring the brain's role in food cues."

"There is much more research to be done here, involving many more participants, long-term follow-up and investigating more areas of the brain," Roberts added. "But we are very encouraged that, the weight loss program appears to change what foods are tempting to people."


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Contact: Andrea Grossman
617-636-3728
Tufts University, Health Sciences Campus
Source:Eurekalert

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