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托福听力练习-科学美国人60秒:脂肪细胞休眠

2017-03-29 08:41:00来源：科学美国人60秒

点击查看>>科学美国人60秒音频：脂肪细胞休眠

　　科学美国人60秒听力练习：脂肪细胞休眠

　　科学美国人60秒英文文本

　　Sleep is good for you. Getting by on too little sleep increases the risk for heart disease, stroke, high blood pressure, diabetes and other illnesses. It also makes it harder to lose weight or stay slim because sleep deprivation makes you hungrier and less likely to be active during the day.

　　Now, research shows that sleep also affects fat cells. Our fat cells play an important role in regulating energy use and storage, including insulin processing.

　　For the study, young, healthy, slim subjects spent four nights getting eight and a half hours of sleep and four nights getting only four and a half hours of sleep. The difference in their fat cells was startling: after sleep deprivation, the cells became 30 percent less receptive to insulin signals—a difference that is as large as that between non-diabetic and diabetic patients. The findings are in Annals of Internal Medicine.

　　Looks like sleep is even more important than we thought for keeping our metabolisms running well. So consider this a wake-up call—to get enough sleep.

　　中文翻译请点击下一页

本文关键字: 托福听力 科学美国人

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