Washington: One of the main reasons for dramatic increase in obesity may be a heightened sensitivity to heavily endorsed and easily accessible high-calorie foods, researchers say.Obesity is increasing worldwide in adults and children and is currently viewed by many as one of the most serious threats to public health.“Functional neuroimaging of the human brain allows non-invasive mapping of brain activity in health and disease,” explained review author Dr. Alain Dagher from the Montreal Neurological Institute, McGill University.“It is now commonly used to try to understand the neural control of eating in humans, and patterns of brain activity thought to underlie obesity have emerged.“In particular, there has been great interest in looking at the brain for the source of vulnerability to overeating in a world of cheap, abundant, high-calorie food. As a result of this research, differences between lean and obese individuals are starting to emerge.”In the paper, Dr. Dagher has discussed some of the more consistent findings of this research. Neuroimaging studies have led to the identification of a brain network for appetite control, uncovered learning and motivational signals that are linked with appetite, and helped to unravel how reward networks are linked with food intake.Studies have shown that brain mechanisms of obesity are very complex and are not just related to abnormalities in food-associated reward signaling.
Visa fraud: US court dismisses Devyani`s indictment
Under gunpoint, I will choose Modi as PM: Kejriwal
Dec 16 gang-rape: Death sentence to 4 convicts
Can`t compare Gujarat and Bihar, says Nitish Kumar