研究表明，孤独对于美国中年人来说是致命的。 Loneliness Proves Deadly for Middle-Aged Americans: Study.

《美国心理学家》的一项研究显示，美国中年人比欧洲人更孤独，这影响了他们的身心健康。 A study in American Psychologist reveals middle-aged Americans are lonelier than their European counterparts, affecting their mental and physical health. 这种孤独感与较差的健康状况有关，包括更容易生病、抑郁、患慢性病、疼痛和残疾。 This loneliness is linked to poorer health outcomes, including increased vulnerability to sickness, depression, chronic illness, pain, and disability. 文化规范优先考虑个人主义而非社区主义，加上有限的社会安全网，是导致美国孤独率较高的因素。 Cultural norms prioritizing individualism over community, along with limited social safety nets, are factors contributing to higher loneliness rates in the U.S.