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It is pointed out that a high-fat, high-sugar diet has the potential to reduce some of the brain functions. Research shows that if you eat a high-fat, high-sugar diet for a week, your brain function is affected. Several studies conducted in the past have revealed that the hippocampus function is very sensitive to junk food. In a 2017 study of healthy young subjects, it was also found that eating a high-fat, high-sugar Western breakfast called a toasted sandwich and milkshake for a week led to a decrease in learning ability and memory test scores.
Like these studies, a research paper investigating how high-fat, high-sugar diets affects humans has been published at the Royal Society, the oldest existing scientific society. According to the paper, a high-fat, high-sugar diet, such as junk food, has the potential to reduce brain appetite control.
The Australian research team, which published the research paper, recruited subjects to eat high-fat, high-sugar meals such as waffles or milkshakes for a week and conducted a memory test. In the investigation, more than 100 healthy young, skinny subjects were randomly asked to continue their normal diet or to eat a high-fat, high-sugar diet. All subjects were to eat grilled sandwiches and milkshakes on the first and last day of the investigation period, and normal diet during other periods, a group with a high-fat and high-sugar diet at least twice a week, and to eat junk food at least four times a week. did.
In addition, the subjects were tested for their appetite before and after breakfast every morning. In the test, they provided six foods and subjectively evaluated how much they wanted to eat for each food. After the test, they were asked to actually eat the suggested food and evaluated how good they were and how much they ate.
According to the survey, those who continued to eat a high-fat, high-sugar diet performed quite poorly on the memory test. This is consistent with past findings. In addition, in an appetite survey conducted before and after breakfast, it was found that the group of subjects who continued to eat a high-fat, high-sugar diet had a strong desire to eat more junk food.
The hippocampus in the brain decreases appetite by quenching the memory of food when the stomach is full. However, the research team points out that the hippocampus’ ability to suppress appetite appears to be significantly reduced if a high-fat, high-sugar diet is continued. The research team, of course, reveals that the conclusions are tentative, as there is much more to know about the interrelationships of this study. Assuming that the effect of a high-fat, high-sugar diet is a limited sample size, the researchers found a close link between lowering human memory and lowering the hippocampal’s appetite control function. He also said that this experiment suggests that it can cause neurocognitive disorders after short-term exposure to high-lipid, high-saccharide Western-style foods, as in the past results.
In addition, as a result of conducting the same test three weeks after the experiment, it is said that there was no difference between the group who had a normal diet and the group who ate a high-fat, high-sugar diet at the time of the experiment. This suggests that the hippocampus’s ability to control appetite is temporary. Related information can be found here.
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