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Yttrium is a 'rare earth' metal which never occurs in nature as a free element. It is dumped in the environment through the disposal of certain items of household equipment and from petrochemical industries. It can accumulate in soil and over time therefore in humans and animals. With water, Yttrium can adversely affect cell membranes, the nervous system and reproductive systems. It is most dangerous in the working environment where gases can be inhaled. This can increase the likelihood of lung cancers. Accumulation in the body can also cause liver damage. Yttrium itself does not cause pollution, improper disposal of it is what causes the pollution :)

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14y ago

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