Curvilinear Association Between Loneliness And Hair Cortisol Concentrations In Community-Dwelling Older Adults At Elevated Cardiovascular Risk

    June 2026 in “ Comprehensive Psychoneuroendocrinology ”
    Xinyi Zhu, Xiaomei Liu, Boyu Zhai … Juan Li
    Studysummary In this study, researchers observed a curvilinear relationship between loneliness and hair cortisol concentration among older adults at elevated cardiovascular risk, with cortisol levels higher at low-to-moderate loneliness and lower at higher loneliness, though results were sensitive to some data exclusions.
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