ArticleFrontiers in nutrition2025
Association between fetal exposure to the Chinese famine and cognitive decline in adulthood: a retrospective cohort study.
Article in Frontiers in nutrition, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: The Great Chinese Famine in the 1960s represents a significant historical event with potential long-term health consequences. This study aims to investigate the impact of famine exposure during different developmental stages (fetal, preschool, school-age, and unexposed) on cognitive function in adulthood. Methods: A retrospective cohort study was conducted among 4,067 participants from the China Health and Retirement Longitudinal Study (CHARLS) database. Participants' famine exposure histories were categorized based on birthdates and famine severity, and their cognitive function was assessed in adulthood. Multiple linear regression analysis was used to explore the relationships between famine exposure during different life stages and average cognitive score from 2011 to 2015. Results: Our study showed that fetal exposure to famine was significantly associated with lower cognitive function scores in adulthood, compared to individuals who were not exposed or exposed during other life stages (preschool or school-age). After adjusting for confounding factors, the fetal exposed group showed a statistically significant decrease in global cognition ( Conclusion: Fetal exposure to severe famine was associated with reduced cognitive performance in adulthood. This study provided new evidence for developing prevention and treatment strategies for cognitive decline.
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