| http://www.w3.org/ns/prov#value | - nts, metal smelters and cement production.Serious mercury poisoning affects the body's immune system and can lead to problems including psychological disorders, loss of teeth and problems with the digestive, cardiovascular and respiratory tracts.It also affects development of the brain and nervous system and poses the greatest risk to foetuses and infants.Ahead of the Geneva conference, the UN's e
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