Abstract

ABSTRACTAflatoxins are mycotoxins (fungal toxins) produced by Aspergillus species in variety of food commodities. Consumption of aflatoxin-contaminated food can cause adverse health effects, including liver cancer. Aflatoxin exposure is usually higher in hot and humid countries. Previous biomarker-based studies have indicated significant exposure to aflatoxins among the Bangladeshi population. Recently, high aflatoxin levels were reported in dates, which are consumed in large quantities during the month of Ramadan in Bangladesh and other Muslim countries. Bangladesh has recently enacted aflatoxin regulation in foods. In this study, we determined the risk of aflatoxin-related liver cancer among the Bangladeshi population based on the average dietary intakes of different aflatoxin contaminated foods, accounting for the synergistic impacts of aflatoxin with chronic hepatitis B viral infection in inducing cancer. We also determined whether the new aflatoxin regulations in Bangladesh could significantly reduce the risk of liver cancer. The mean number of cancer cases per year caused by dietary aflatoxin exposure in Bangladesh was estimated at about 1311, or 43.9% of the total annual liver cancer cases in Bangladesh. The new aflatoxin regulations do not appear likely to significantly reduce the risk of liver cancer in the country.

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