[9급 국가직 영어 2016년 18번]

① As the old saying go, you are what you eat. The foods you eat ② obvious affect your body's performance. They may also influence how your brain handles tasks. If your brain handles them well, you think more clearly, and you are more emotionally stable. The right food can ③ help you being concentrated, keep you motivated, sharpen your memory, speed your reaction time, reduce stress, and perhaps ④ even prevent your brain from aging.