Junk food makes mice overeat

Junk food makes rats overeat

junk food makes rats overeat

junk food not only makes rats fat, but also reduces their appetite for new food; Appetite & quot;, This appetite for new foods often drives them to seek a balanced diet. A study helps to explain that eating too much junk food can change people’s behavior, weaken self-control, and lead to overeating and obesity.

the researchers taught young male rats to associate two different sound cues with a specific taste of sugar, cherry and grape. Healthy rats, who improved their healthy diet, stopped responding to their recent taste preference cues. This inborn mechanism, widely existing in animals, can prevent overeating and promote a healthy and balanced diet. But after two weeks of diet, including pies, dumplings, biscuits and cakes, the rats gained 150% more calories, gained 10% more weight, and their behavior changed dramatically.

they become apathetic in their food choices, no longer avoiding the clues of familiar taste. This shows that they have lost their natural preference for novelty. After the mice returned to a healthy diet, the change lasted for some time.

the researchers believe that junk food causes persistent changes in parts of the reward circuit in the rat brain, such as the orbitofrontal cortex, which is responsible for decision-making. They said the results may have an impact on people’s ability to limit certain kinds of food intake, because the brain’s reward circuits are similar in all mammals.

the interesting thing about this finding is whether the same thing happens in humans, eating junk food may change our response to signals related to food reward. It’s like you just had ice cream for lunch, but when you hear the ice cream truck coming, you still go to eat more ice cream.

according to the World Health Organization, more than 10% of the global adult population is obese, and at least 2.8 million people die of overweight or obesity every year. The major risk factors for overweight and obesity are chronic diseases, including diabetes, cardiovascular disease and cancer.

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