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Accentuating the Positive: Contribution of Positive Relations With Others and Daily Interpersonal Interactions to
Melissa M Franks1, Elliot M Friedman
1Department of Human Development and Family Science, Purdue University, West Lafayette, Indiana (Franks, Friedman).
Biopsychosocial Science and Medicine
|June 15, 2026
Summary
Cultivating positive social connections, specifically Positive Relations with Others, and engaging in daily positive interactions significantly enhance longevity. These social factors independently reduce mortality risk, promoting a longer, healthier life.
Area of Science:
- Psychology
- Sociology
- Public Health
Background:
- Social connection is vital for health and longevity.
- Positive Relations with Others offers unique health benefits beyond social integration.
- The impact of daily interactions on longevity requires further investigation.
Purpose of the Study:
- To examine Positive Relations with Others and social integration as predictors of longevity.
- To explore daily positive interpersonal interactions and stressors as longevity predictors.
- To understand the combined effects of social connection and daily interactions on mortality risk.
Main Methods:
- Utilized data from the Midlife in the United States (MIDUS) study (N=1757).
- Incorporated the National Study of Daily Experiences (NSDE) for daily interaction data.
- Linked MIDUS and NSDE data with the National Death Index for mortality outcomes.
Main Results:
- Positive Relations with Others significantly reduced mortality hazard (HR=0.88, P=.02).
- Daily positive interpersonal interactions also predicted lower mortality hazard (HR=0.93, P=.001).
- Daily positive interactions moderated the association between Positive Relations with Others and mortality.
Conclusions:
- Mutual and meaningful social ties promote health and longevity.
- Daily positive interactions are crucial for health and longevity.
- Positive relations and daily interactions work synergistically to enhance lifespan.
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