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Inviting Grandma over for dinner may actually extend her life - and increase its quality - a new study shows. 一项新研究表明，邀请奶奶过来吃晚饭可能会延长她的寿命，并提高她的生活质量。 Researchers at the University of California, San Francisco found that loneliness plays a large role in the decline so often associated with old age. The study followed 1,600 adults, with an average age of 71 - despite controlling for socioeconomic status and health, the lonely consistently held higher mortality rates. Nearly 23% of lonely participants died within six years of the study, as opposed to only 14% of those that reported adequate companionship. 旧金山加利福尼亚大学的研究员们发现：孤独在与老年人相关的衰老中扮演重要角色。该研究对1600名成年人进行了调查——平均年龄为71岁——尽管控制了社会经济状态和健康，孤独参试者的死亡率始终较高。近23%的孤独参试者在研究开展的6年内离世，而报告称只有14%的人享有足够多的陪伴。 | 
