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Encyclopedia of Nutritional Psychology

Diet-Psychosocial Relationship (DPR)

Evidence-informed definition Updated September 13, 2026 How to cite this entry

The relationship between dietary intake and the social and environmental factors that influence eating behavior, including peers, family, culture, community, socioeconomic conditions, and the broader food environment. 

Author and reviewer

Editorial responsibility
Written by Ephi Morphew-Lu
Reviewed by CNP Encyclopedia Editorial Board
Evidence base

References and further reading

  1. Isa, M., Ono, K., Ide, K., Kawano, T., Tokuchi, S., Suzuki, R., Murahashi, M., Ntege, E. H., Shimizu, Y., Kawashiri, S., & Nakamura, H. (2025). Solitary eating is linked to reduced brain volume in cognitively unimpaired individuals and possible future cognitive decline. Npj Aging, 11(1), 90. https://doi.org/10.1038/s41514-025-00284-3 View source
  2. Hong, Y. A., Yu, J. V., Xue, H., Zhou, G., & Cheskin, L. J. (2025). The dynamics of eating behaviors and eating environment in college students: discrepancies between app-tracked dietary intake and self-perceived food consumption. mHealth, 11, 47. https://doi.org/10.21037/mhealth-24-102 View source
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CNP (2026). Diet-Psychosocial Relationship (DPR). In CNP Encyclopedia Editorial Board (Eds.), Encyclopedia of Nutritional Psychology. The Center for Nutritional Psychology.

https://www.nutritional-psychology.org.
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