题型：短文填空 题类： 难易度：普通
山西省晋中市平遥县2023年九年级下学期5月教学质量英语试题
It's hard to turn down junk food. However, eating too much junk food harmful to your body. "For young people aged 10 and 19, junk food has a bad influence on their abilities of thinking, learning and memorizing, "said Amy Reichelt, a brain expert.
Reichelt reviewed over 100 studies about how poor food choices can influence teen brains. She discovered that teenagers who had a high-fat diet performed worse on memory tests those who ate a normal diet.
She also found teenagers were more interested foods with a lot of fat and sugar. The prefrontal cortex(前额皮质)of the brain is the part. helps us develop the ability to control ourselves. However, this part doesn't fully develop we are in our early 20s.
the same time, teen brains get more excited from rewards(奖励). Eating junk food makes teenagers feel good. Therefore, they can hardly turn down junk food they know it is not good for their health.
So, what's the best way to say no to junk food? Researchers advise people to . That is because when we exercise, brains grow and become better able to make smart decisions.
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