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Scientists explain why we eat too much



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Researchers from the Max Planck Institute in Germany have explained why people often overeat. The study in question was published in the journal Cell Metabolism.

According to the EurekAlert portal, this fact is related to the release of dopamine in the brain, a hormone that produces the sensation of pleasure. Specialists suggest that the release of this hormone occurs twice during eating intake: when foods are ingested and when they reach the stomach.

Two peaks of dopamine release

"With the help of a new positron emission tomography technique we have developed, we not only find the two peaks of dopamine release, but also identify the specific regions of the brain that were associated with these releases ", commented on this the # 39; lead author of the study, Marc Tittgemeyer.

In the investigation 12 volunteers participated, some of which received a tasty drink and others a tasteless solution. When analyzing the data, scientists established that the greater the desire for tasty drink, the lesser amount of dopamine released when the food was already in the stomach.

"On one side, the release of dopamine reflects our subjective desire to consume a food. Other, our desire seems to suppress the release of dopamine induced by the intestine "said another researcher, Heiko Backes.

Therefore, the study concluded that suppressing the release of dopamine induced by the intestine could cause us to overexpress the highly desired products. "We continue to eat until enough dopamine is released," Backes concluded.

RT

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