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How do sweets and chips change our brains?

2024-12-18 18:37:08Lifestyle SHKRUAR NGA REDAKSIA VOX
How do sweets and chips change our brains?
How sweets and chips change our brains

There's a reason why cravings for sweet or high-fat foods often seem stronger than we are.

"In the long run, these foods modify the brain, leading it to look for them more and more often in the supermarket cart and to prefer them over other things to eat," writes focus.it.

Scientists at the Max Planck Institute for Metabolism Research, working in collaboration with Yale University, wondered whether the attraction to unhealthy foods is innate or a consequence of being overweight.

They found that this irresistible desire can be learned and that it takes relatively little for our brains to learn to prefer foods that are high in fat or sugar.

As explained in the study published in "Cell Metabolism", researchers offered a group of volunteers a small pudding very rich in sugar and fat, in addition to their normal diet, every day for eight weeks.

Other participants received a pudding with the same calories but less fat.

Then, the brain activity of all subjects was monitored throughout the duration of the experiment.

After eight weeks, the brain's response to foods high in sugar and fat increased significantly in the group consuming the less healthy pudding.

In particular, these foods more noticeably activated the dopaminergic system, the complex of neural pathways in the brain responsible for the perception of reward and motivation.

"Our brain activity measurements showed that the brain changes its connections when consuming chips and similar foods. It unconsciously learns to prefer these foods that satisfy it. Through these changes we will end up always unconsciously preferring foods that contain a lot of fat and sugar," explains Marc Tittgemeyer, who led the study.


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