06 健康和生活-2022-2023 高中高三英语阅读理解专项训练(含答案)--按主题分类【上海专用】

06 健康和生活 (A) Cure for tiredness? Staying up late is a potential battle between parents and kids. But the solution could be as simple as changing your meal time. Researchers at the University of Surry, UK, found that delaying meals could help change one of the internal body clocks. Besides a “master” clock in the brain, there are clocks in other parts of the body. They are usually synchronized according to factors including light. During the study, researchers tested 10 participants to examine the effect of changing meal times on their body clocks. The participants were given three meals – breakfast, lunch and dinner. In the first stage, participants received breakfast 30 minutes after waking. Lunch and dinner followed, after 5-hour intervals. In the second stage, each meal was delayed by 5 hours. Right after each stage, blood and fat samples were collected. Results showed that later meal times greatly influenced blood sugar levels. A 5-hour delay in meal times caused a 5-hour delay i