It’s not surprising that loneliness has also been linked to cognitive decline. A Dutch study published last year in The Journal of Neurology, Neurosurgery &Psychiatry found that participants who reported feeling lonely — regardless of how many friends and family surrounded them — were more likely to develop dementia than those who lived on their own but were not lonely.

不出人们所料：孤独感与认知功能减退也有联系。《神经病学、神经外科学与精神病学杂志》(The Journal of Neurology, Neurosurgery &Psychiatry)去年刊登了荷兰的一项研究，研究发现感到孤独的参试者——不管他们身边事实上有多少亲友陪伴——相比虽然一个人生活，但并不觉得孤独的人，更有可能患痴呆症。

The nearly 2, 200 participants, ages 65 to 86, were followed for three years and had shown no signs of dementia at the study’s start. About half lived alone, and 20 percent reported feeling lonely. After adjusting for other factors that are linked to cognitive decline, like age, feeling lonely was linked to a 64 percent increase in the risk of developing dementia, according to Tjalling Jan Holwerda of the VU University Medical Center in Amsterdam.

阿姆斯特丹自由大学(VU University)医学中心的特亚林·简·赫尔威达(Tjalling Jan Holwerda)介绍说，这项研究调查了近2200名年纪在65岁到86岁间的老人，随访三年，在研究起始阶段所有人都未出现痴呆症症状。其中约半数独居，20%的人表示感到孤独。在排除了其他与认知功能减退有关的因素，比如年龄后，研究发现感到孤独，可使患痴呆症风险增加64%。

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