Soluble inorganic As is toxic with both cancer and non-cancer endpoints. Of the 80 million people in West Bengal, 50 million are living in the nine As-affected districts with millions at risk from using water for drinking, cooking or irrigation (Chakraborti et al., 2004). An environmental tragedy is developing in West Bengal with an alarming number of cases of skin lesions (Guha Mazumder et al., 1998; Mukherjee et al., 2005), respiratory symptoms (von Ehrenstein et al., 2005), adverse pregnancy outcomes and infant mortality (von Ehrenstein et al....

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