London: Scientists are ultimately searching for new ways to treat diet-related disorders while raising awareness that diet and obesity affect mental as well as physical health.

Being obese appears to affect cognitive function, requiring more effort to complete a complex decision-making task, according to researcher Timothy Verstynen.

Brain images suggest that when people skip breakfast, the pleasure-seeking part of the brain is activated by pictures of high-calorie food.

Skipping breakfast also appears to increase food consumption at lunch, possibly casting doubt on the use of fasting as an approach to diet control, revealed study by Tony Goldstone, MD, PhD.

A study in rats suggests they may be able to curb binge-eating behaviour with medication used to keep substance abusers clean and sober, said scientist Angelo Blasio.

Amidst growing concern that diet-related metabolic disorders such as diabetes impair brain function, an animal study by an Indian origin scientist Rahul Agrawal reported that a high-sugar diet may affect insulin receptors in the brain and dull spatial learning and memory skills. But omega-3 supplements may at least partially offset this effect.

Evidence from a rat study suggests that a new compound under development to treat compulsive eating disorders and obesity may be effective at blocking a specific receptor in the brain that triggers food cravings and eating when activated by "food related cues," such as pictures or smells, irrespective of the body's energy needs, according to Chiara Giuliano.

The findings were presented at Neuroscience 2012, the annual meeting of the Society for Neuroscience and the world's largest source of emerging news about brain science and health.

"These are fascinating studies because they show the brain is an often overlooked yet significant organ in an array of dietary disorders," said press conference moderator Paul Kenny, PhD, of The Scripps Research Institute in Florida, an expert on addiction and obesity.

"Many of these findings have the potential to lead to new interventions that can help reduce the ranks of the obese, helping those who struggle daily with dietary decisions reassert control over what they eat," Kenny added.


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