Just-World Beliefs, System Justification, and Their Relationship with People's Health-Related Well-Being: A Narrative Review.

Beliefs about a social system help people understand and evaluate their environment and are related to their behavior within a society. When people believe that they live in a just social system and develop positive attitudes about the social and political environment, they experience greater satisfaction and well-being. This phenomenon is known as a palliative effect. Two theoretical approaches that explain support for social and political systems are the beliefs in a just world and system justification approaches. The objective of this review was to analyze the literature published between 2019 and 2023 that addressed the associations of beliefs in a just world and system justification with health-related well-being. The search yielded 2064 potentially eligible articles, 26 of which were ultimately selected. The results showed that beliefs in a just world are associated with a more positive perception of the world and better health outcomes. In addition, people with a greater propensity to justify the system experience higher levels of health-related well-being. This positive association is consistently observed across different social groups and contexts. These findings support the phenomenon of palliative effects attributable to beliefs in a just world and system justification.