资料图：自然光线

　　But before you swap calorie counting for a blackout blind, it seems that all unnatural light could have the same effect – including that from computer screens and TVs.

　　但若想要通过黑暗疗法来减肥，似乎需要注意，所有的非自然光线都能导致肥胖——包括来自电脑以及电视屏幕的光亮。

　　American researchers found that mice that were exposed to a dim light at night put on 50 per cent more weight than those whose cages were left dark.

　　美国研究人员已经发现，与夜晚呆在黑暗笼子里的小鼠相比，笼子被暴露于昏暗光线下的小鼠增重了50%。