Why do people continue to eat and after they are full? New research conducted on mice, says that this fact has to do with the hunger hormone, which tells the brain that continues to eat.
“With the study we wanted to show that there are situations when we encourage the consumption of delicious foods, even if we are full. And the only reason for this behaviour is the fact that our brains suggests,” said Dr. Jeffrey Zigman, assistant professor of medicine and psychiatry at the University of Texas Southwestern Medical Center and author of a new study.
Researchers have been through experiments with mice, studied hormones. They wanted to determine whether changing the dietary habits changes after receiving a dose of the hormone known as ghrelin. Mice that received ghrelin wanted to stay longer in the room where they previously ate a calorie and fatty foods. Other mice did not pay attention to where the rooms are located.
“We think that ghrelin stimulated mice to look for foods rich in fat, because they remember how much they enjoyed it,” said study co-author, Dr. Mario Perello. “It was important that the rooms were empty now, the mice were still associated with something pleasant,” he adds.
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According to new research, the human brain is experiencing a sense of comfort in the same way as the mouse brain. Intestinal hormone ghrelin makes food more attractive and causes eating caloric food. Levels of the hormone ghrelin increases before and decreases after eating, from which it concluded that it causes hunger and encourages eating. The next step is to determine how the brain regulates the hormone.
The study was published in the journal Biological Psychiatry.
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