求翻译 One theory is that with decreased exposure to sunlight,the biological clock that regulates mood,

题目

求翻译 One theory is that with decreased exposure to sunlight,the biological clock that regulates mood,sleep,and hormones is delayed,running more slowly in winter.Exposure to light may reset the biological clock.Another theory is that brain chemicals that transmit information between nerves,called neurotransmitters (for example,serotonin),may be altered in individuals with SAD.It is believed that exposure to light can correct these imbalances.Chen says people who suffer from "the autumn blues" often are extremely fatigued,lack energy,need more sleep,crave carbohydrates,feel increased appetite and gain weight."It is a sad season,but you can try to make it happy.Remember,spring always lives in your heart," Chen says.

答案

一种理论认为,随着日照减少,生物钟调节情绪,睡眠,和激素的延迟,在冬季更缓慢行驶.暴露在光线下会重置生物钟.另一个理论是,大脑化学物质之间传递信息的神经,称为神经递质（例如,5 -羟色胺）,可以在个人与悲伤的改变....