Exposure to famine during early life and the risk of MAFLD during adulthood: evidence from the China Multi-Ethnic Cohort (CMEC) study

  • 0Baoshan College of Traditional Chinese Medicine, Baoshan, Yunnan, China.

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Summary

This summary is machine-generated.

Early-life famine exposure, particularly during fetal development and childhood, increases the risk of developing metabolic dysfunction-associated fatty liver disease (MAFLD) later in life. This highlights the importance of adequate early nutrition for preventing MAFLD.

Area Of Science

  • Public Health
  • Epidemiology
  • Nutritional Science

Background

  • Metabolic dysfunction-associated fatty liver disease (MAFLD) is a prevalent global health issue, affecting approximately one-third of the world's population.
  • The impact of early-life famine exposure on MAFLD development in diverse populations, such as those in less-developed southwest China, requires further investigation.

Purpose Of The Study

  • To investigate the association between early-life famine exposure and the risk of developing MAFLD in adulthood.
  • To examine potential differences in this association across various developmental stages (fetal, childhood, adolescence) and ethnic groups.

Main Methods

  • A cohort of 18,558 participants from the China Multi-Ethnic Cohort Study in Yunnan was analyzed.
  • Participants were categorized based on birth year to represent different famine exposure periods: fetal, childhood, adolescence, and non-exposed.
  • Logistic regression models were employed to assess the relationship between famine exposure timing and MAFLD risk.

Main Results

  • Early-life famine exposure significantly elevates the risk of MAFLD in adulthood.
  • Famine exposure during fetal life and childhood showed a pronounced association with increased MAFLD risk, especially in the Bai population.
  • Fetal famine exposure in males was linked to a higher risk of developing MAFLD in adulthood.

Conclusions

  • Adequate nutrition during early life, including fetal development, is crucial for preventing MAFLD in adulthood.
  • A comprehensive, lifelong strategy is recommended for chronic liver disease prevention, emphasizing interventions from the fetal stage onwards.

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