Hepatocellular Carcinoma Risk from Dietary Aflatoxin in Sichuan, China
Author Information
Author(s): Qin Mei, Lin Li, Wang Liang, Zhang Yu, Zhang Lishi, Song Yang, Chen Jinyao, Monaci Linda, Toplak Hermann
Primary Institution: West China School of Public Health and West China Fourth Hospital, Sichuan University
Hypothesis
What is the disease burden of hepatocellular carcinoma (HCC) attributable to dietary aflatoxin exposure in Sichuan Province, China?
Conclusion
The lifetime exposure to dietary aflatoxins in the Sichuan population results in a higher hepatocellular carcinoma burden than the global average.
Supporting Evidence
- The estimated lifetime average daily dose of aflatoxins was found to be between 9.77 and 26.0 ng/kg bw/day.
- The lifetime risk of HCC per person ranged from 0.106% to 0.283%.
- Grains and their products were identified as the primary dietary sources of aflatoxin exposure.
- The HCC burden in Sichuan was significantly higher than the global average.
- Females had a higher population attributable fraction (PAF) despite lower overall risk.
- High aflatoxin contamination levels in food led to 2-3 times higher HCC burden compared to mean levels.
- Continuous monitoring of aflatoxin levels in food is recommended to mitigate health risks.
- The study utilized a comprehensive dataset covering aflatoxin contamination from 2012 to 2023.
Takeaway
Eating foods contaminated with aflatoxins can make people sick, and in Sichuan, this is a big problem that can lead to liver cancer.
Methodology
The study analyzed aflatoxin contamination data from 20 food categories and estimated the associated HCC burden using disability-adjusted life years (DALY) as the metric.
Potential Biases
Potential biases may arise from the reliance on historical consumption data and the estimation methods used.
Limitations
The study's assumptions about constant aflatoxin levels and dietary patterns may introduce uncertainties in the results.
Participant Demographics
The study focused on the population of Sichuan Province, China, with a demographic breakdown indicating higher risks in males compared to females.
Digital Object Identifier (DOI)
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