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Scientists at the University of Wisconsin-Madison have come up with a 1-cm-long device that can be installed in the stomach to indicate to the brain that it is full, with simple electrical currents .
The device activates when the stomach begins to naturally move food during digestion, resulting in the generation of electrical impulses that are connected to the vagus nerve, which connects the gut to the brain, so to understand that the stomach is full after several doses of food.
Tests in mice showed that the device reduced its food intake by a third, making it lose 38% of its weight in just 15 days.
Unlike the abdominal belt, the device can be easily removed, so that the mice regain their dietary habits. The results were published in Nature Communications.
Scientists said: Impulses are related to the movement of the stomach, which improves the natural response to help control the amount of food consumed.
The device has detected the movement of wrinkles in the rat's stomach, through an electrical device, to measure vagus nerve stimulation by electrodes.
The new device showed clear progress in terms of safety and remained in a constant state throughout the study period.
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