Daily Social Interactions and HPA Axis Activity Among Midlife and Older Adults.

ABSTRACT:

Background and objectives

Older people experience fewer negative interactions and report less stress in response to interpersonal tensions. Less is known, however, about the implications of daily social interactions for biological stress responses. We evaluated links between daily positive and negative interactions and 2 key biomeasures of the hypothalamic-pituitary-adrenal axis: salivary cortisol and dehydroepiandrosterone sulfate (DHEA-S). We also considered the moderating effects of age.

Research design and methods

Participants included a random sample of 93 individuals aged 40-95 who completed 14 days of daily diary interviews and provided saliva samples during 4 of those days.

Results

Three-level piecewise models showed that individuals had higher sustained DHEA-

SUBMITTER: Polenick CA 

PROVIDER: S-EPMC8361500 | biostudies-literature | 2021 Aug

REPOSITORIES: biostudies-literature