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Noninvasive Sampling of Mucosal Lining Fluid for the Quantification of In Vivo Upper Airway Immune-mediator Levels
Published on: August 7, 2017
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Socioeconomic position, immune function, and its physiological markers.
Severi Luoto1, Tatjana Krama2, Anna Rubika3
1School of Psychology, University of Auckland, Auckland, New Zealand.
Psychoneuroendocrinology
|March 23, 2021
Summary
Family wealth influences immune function and physical traits in young men. Higher socioeconomic status correlates with better immune response, testosterone levels, and facial attractiveness, mediated by these factors.
Area of Science:
- Human eco-immunology
- Developmental biology
- Socioeconomic impacts on health
Background:
- Costly traits like immune function are resource-dependent.
- Ontogenetic resource availability may shape immune and other biological traits.
- Socioeconomic position can reflect developmental resource availability.
Purpose of the Study:
- To analyze causal links between family socioeconomic position, immune response strength, and physiological biomarkers.
- To investigate the mediating roles of testosterone and adiposity in the relationship between family income and immune function.
- To identify reliable cues of immune function in young men.
Main Methods:
- Structural equation modeling was used to analyze causal pathways.
- Data collected from young Latvian men (n=93 and N=146).
- Correlations and mediation analyses were performed.
Main Results:
- Wealthier family background associated with higher testosterone, stronger immune response, and greater facial attractiveness.
- Testosterone partially mediated family income's effect on facial masculinity.
- Testosterone and adiposity partially mediated family income's effect on immune function.
- Facial masculinity, symmetry, and lower adiposity were independent cues of better immune function.
Conclusions:
- Resource availability during development significantly impacts immune function and physical appearance.
- Socioeconomic factors play a crucial role in shaping health and attractiveness.
- Human eco-immunological research should incorporate developmental resource availability.
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