Eating junk food just four days can weaken memory: American research
Samira Vishwas September 13, 2025 11:25 AM

If you are accustomed to enjoy things like burgers, pizza and french fries during the weekend party or rest days, then this news is a warning for you. A new study by the North Carolina University (UNC) in the US has revealed that eating fatty junk food for just four days can affect the functioning of the brain and weakens the memory.

Direct effect on brain

Research found that the cells of the brain’s hippocampus portion from junk food, called cck interurons, become abnormally active. This condition disrupts the brain’s memory ability. According to Juan Song, the head of the study and professor at the UNC School of Medicine, “We did not expect these brain cells to be so affected in just a few days.”

Lack of glucose and protein role

The study revealed that the brain’s ability to receive glucose decreases when taking a high-fat diet. This causes CCK interuranurans to become more active. In this, a protein called PKM2 plays an important role, which controls the process of using the brain’s energy.

This test was conducted on mice. He was placed on a high -fat diet and in just four days, problems to his memory started appearing. However, when their diet was changed and glucose levels in the brain were normalized, their memory rectified again.

The study also found that after the high-fat diet, the intermittent fasting reduced the unusual brain activity and improved memory. This research indicates that junk food begins to attack the brain before obesity and diabetes. According to the researchers, changes in food and some drugs can not only prevent obesity and neurodijaneration, but can also protect brain health.

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