What problems are caused by the presence of arsenic in drinking water?
In populations that have drunk water contaminated with arsenic there is evidence of health effects. The illnesses caused by arsenic are: palm-plantar hyperkeratosis, whose symptoms are skin pigmentation and callousness on the palms of the hands and the feet, hyper- and hypopigmentation of the face, neck and chest, and cancer of the skin, lungs, liver, kidney and bladder.
