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托福听力练习-科学美国人60秒:沐浴晨光有助减肥

2017-02-08 16:53:33来源：科学美国人60秒

点击查看>>科学美国人60秒音频：沐浴晨光有助减肥

　　科学美国人60秒中英文翻译：沐浴晨光有助减肥

　　科学美国人60秒英文文本

　　Light might make you a light weight—in a good way.

　　It's been known that bright light in the morning can reduce appetite and body weight.

　　But that fact did not prove that light has a direct effect on weight.

　　Early morning exposure to light could just be a marker for a regular sleep cycle, which is also associated with a healthy body weight.

　　The question was thus whether light exposure was associated with weight regardless of sleep patterns.

　　To find out, researchers had 54 adults record their diet and sleep for a week.

　　The subjects also wore sensors that monitored the timing and intensity of their light exposure.

　　And independent of sleep habits, the participants' body weight corresponded to when they saw the light—even dim light, with just half the intensity of sunlight on a cloudy day.

　　The study is in the journal PLoS ONE.

　　So early to bed and early to rise appears to indeed make you healthy.

　　Jury's still out on whether it also makes you wealthy and wise.

　　中文翻译请点击下一页

本文关键字: 科学美国人60秒 科学60秒下载 托福听力

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