Healthy Eating Index and mortality in a nationally representative elderly cohort.
نویسندگان
چکیده
was associated with a 28% lower risk of death even after these factors, as well as depression and health behaviors, had been taken into account. Other factors may be responsible for the remaining association between enjoyment and survival. It may be caused by unmeasured confounding factors such as other pre-existing illnesses. Only 3 health behaviors were assessed, and other aspects such as diet may be relevant. In addition, direct links with health outcomes are plausible, since biological responses such as reduced cortisol output in everyday life and attenuated cardiovascular and inflammatory responses to stress are related to positive well-being. The results of this study do not establish that enjoyment of life is causally related to survival. Enjoyment may be a marker of underlying health-related biological, behavioral, or dispositional factors that are responsible for the association. Nonetheless, our findings show that the link between enjoyment and survival at older ages is not fully accounted for by demographic factors or major preexisting illnesses. These results highlight the importance of positive well-being in older adults and suggest that efforts to improve enjoyment of life, as well to manage and prevent disease, could have beneficial effects on life expectancy.
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ورودعنوان ژورنال:
- Archives of internal medicine
دوره 172 3 شماره
صفحات -
تاریخ انتشار 2012