Positive Psychological Functioning and the Biology of Health

Abstract

Abstract Most research considers both psychological and physical health with a disease perspective by focusing on poor psychological functioning or disease outcomes. However, identifying attributes that support adaptive functioning may inform approaches to achieving health beyond what we learn from studying risk factors that accelerate deterioration. Recent evidence suggests that positive psychological functioning contributes to attaining optimal physical health. We evaluate the current state of knowledge on the relationship between positive psychological functioning and physical health, defining health beyond solely the absence of disease. We further consider when positive psychological functioning begins to exert effects on health, whether it has direct effects on biological processes or serves primarily to buffer the effects of stress, and whether it is associated with health outcomes and biological processes beyond those that reflect the absence of deterioration and disease. We propose some key directions for future research including the assessment of positive psychological functioning, positive biological functioning, and optimal health, the value of multi‐system measures, and the potential of “omics” to provide novel insights into biological mechanisms underlying associations between positive psychological functioning and physical health.

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