It is natural that parents should wonder about the time children spend looking at a TV or computer screen.

父母很自然地会想知道孩子花在看电视或电脑屏幕上的时间。

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Because whether you're watching TV, contemplating a computer screen or simply staring at the wall, sitting for long stretches negatively affects levels of blood sugar and fats.

因为无论你是在看电视，还是对着电脑屏幕，或者只是单纯的盯着墙壁，还是长时间的坐着，这都对你的血糖和脂肪起着消极作用。

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And the light coming from your computer screen or TV could be pushing you to stay up even later.

电脑屏幕或者电视机的光亮或许还让你更难以入睡。

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