Arsenic contamination in food chain in Bangladesh: A review on health hazards, socioeconomic impacts and implications

•Arsenic poisoning is not a local problem, it is a global public health concern.•Situation of Bangladesh is particularly devastating among all affected countries.•Arsenic-contaminated tubewells contain arsenic ranges from 100 to 300 µg/L.•Most common outcome of chronic arsenic exposure in Bangladesh is arsenicosis.•Safe drinking water, nutritious meals and public awareness are prevention options.