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Whether a cup of java will leave you craving more could be chalked up to your genes. 一杯咖啡是否会使你上瘾也许是由你的基因决定的。 People with a newly identified genetic variant in their DNA, called PDSS2, may be inclined to drink fewer cups of coffee than others, according to a small study published in the journal Scientific Reports. 根据发布在《科学报告杂志》上的一项小研究显示：有这种新发现的遗传变异PDSS2基因的人，可能会倾向于比其他人喝更少的咖啡。 "I actually was very surprised to find a new gene for coffee consumption," said Nicola Pirastu, a chancellor's research fellow at the University of Edinburgh's Usher Institute of Population Health Sciences and Informatics, and lead author of the study. 爱丁堡大学厄舍学院人口健康科学和信息学研究员，同时他也是这篇研究的主撰写人的尼古拉·皮拉斯图表示：“能找到关于咖啡消费量的新基因真的使我非常惊讶。” | 
