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simple image of chocolate cake makes you salivate at the point of not being able to think of something else? If so, then your brain function, in that moment, like a dependent person, said a recent study published in Quebec coverage of the May edition of Cell Metabolism. Whose fault? In ghrelin! This "hunger hormone" produced significant modulations in the areas of the brain responsible for appetite. "She played a very important role for those who have difficulty in weight loss," says neurologist even Alain Dagher.
The hormone and metamorphose into people hungry veritable "junkies" of food. Produced by the stomach, this hormone circulates in the blood and acts through receptors on brain cells.
"These receptors are present in the hypothalamus, the control center for food intake, and on dopamine neurons, which play an important role in the sense of reward," he says.
Yum! Yum!
When you hungry Wander the shelves of your supermarket, food you seem more attractive. Your hormone - in full work at this time - is likely to allow the body to build up reserves.
This strategy very useful in times of scarcity becomes unnecessary when only each corner convenience stores and other stores are brimming with food. It would even be harmful to your body.
"Ghrelin is a powerful stimulant of appetite. We wanted to test its role in the act of eating without control, "says the researcher.
To achieve understand how we become "addicted" to food, the researchers administered the hormone intravenously for volunteers while they watched images of cakes and other sweets.
And the pictures do not lie, the neural response to the photos of food increases in various regions of the brain.
What surprised no specialist motor disorders and imaging of brain function at McGill University who conducts research on addiction in recent years.
According to him, the hunger hormone plays an important role in weight from overweight. Influencing this hormone in the blocking could provide a new track for the treatment of obesity.
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