HONG KONG (Reuters) - Folic acid, a vitamin found in leafy vegetables, can cut drastically arsenic levels in the blood of people who have suffered long-term exposure to the poison in groundwater, a new study in Bangladesh has found.Arsenic is a toxic element naturally present in some soils and water. Chronic arsenic poisoning occurs after long-term exposure to such tainted drinking-water and it has been linked to skin, liver and bladder cancers, skin lesions and cardiovascular disease.
