丁明
丁明-
尽管相关结果鼓舞人心，但论文的第一作者、哈佛大学公共卫生学院（HarvardSchoolofPublicHealth）的丁明告诫，“我们的研究是观察性质的，所以很难确定这种积极效果是否属于因果关系。”
While the findings are encouraging , the lead author , Dr. Ming Ding , of the Harvard School of Public Health , cautioned , " Our study is observational , so it 's hard to know if the positive effect is causal or not . "