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We all know that eating badly, and eating too much, are associated with gaining weight. New research has shown that another factor is also important -what time of day you eat. A new study, published in The American Journal of Clinical Nutrition, showed that eating later in the evening was associated with a higher percentage of body fat. 我们都知道：吃的差和吃的多都会导致体重增加。新研究已表明，另一个因素同等重要--每天什么时候吃。《美国临床营养杂志》上刊出的一项新研究表明，晚上稍晚一点吃东西与更高的体脂比例相关。 But it also found that the overall effects all came down to your own personal biological clock rather than the actual time. Researchers collected data from 110 college students over 30 days to observe their sleep times and eating habits. They also looked at when subjects released melatonin - the sleep hormone - to determine where their circadian rhythms (body clocks) were at. 但研究还发现整体影响因素得归结于个人的生物钟，而不是实际时间。研究人员在30天内收集110名大学生的数据，以观察他们的睡觉时间和饮食习惯。他们还观察了受试者何时释放褪黑激素--睡眠激素--以确定他们的昼夜节律（身体时钟）。 | 
