Heightened sensitivity to cheap, high-calorie food is linked with obesity

ScienceDaily, 04/06/2012

Obesity is increasing worldwide in adults and children and is currently viewed by many as one of the most serious threats to public health. It is likely that solutions to the obesity pandemic will require changes in public policy and that scientific insight into obesity will be invaluable for guiding those changes. Research suggests that overeating has its origins where a person makes a food choice and that anticipatory signals play a critical role in the vulnerability to obesity. Importantly, obese individuals exhibit greater brain activation in response to sweet or fatty food cues, suggesting a key role for signals associated with motivation to eat.

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