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  2. Iron poisoning - Wikipedia

    en.wikipedia.org/wiki/Iron_poisoning

    Ferrous iron is then absorbed in the small intestine where it is oxidized into its ferric iron (Fe 3+) form before being released into the bloodstream. [4] Free iron in the blood is toxic to the body as it disrupts normal cell function, damaging organs such as the liver, stomach, and cardiovascular system. [4]

  3. Metal toxicity - Wikipedia

    en.wikipedia.org/wiki/Metal_toxicity

    Many metals, particularly heavy metals are toxic, but some are essential, and some, such as bismuth, have a low toxicity. Metals in an oxidation state abnormal to the body may also become toxic: chromium(III) is an essential trace element, but chromium(VI) is a carcinogen. Only soluble metal-containing compounds are toxic.

  4. Iron overload - Wikipedia

    en.wikipedia.org/wiki/Iron_overload

    Iron overload (also known as haemochromatosis or hemochromatosis) is the abnormal and increased accumulation of total iron in the body, leading to organ damage. [1] The primary mechanism of organ damage is oxidative stress, as elevated intracellular iron levels increase free radical formation via the Fenton reaction.

  5. Iron - Wikipedia

    en.wikipedia.org/wiki/Iron

    Iron plays an essential role in marine systems and can act as a limiting nutrient for planktonic activity. [200] Because of this, too much of a decrease in iron may lead to a decrease in growth rates in phytoplanktonic organisms such as diatoms. [201] Iron can also be oxidized by marine microbes under conditions that are high in iron and low in ...

  6. Environmental impact of iron ore mining - Wikipedia

    en.wikipedia.org/wiki/Environmental_impact_of...

    Hematite and magnetite are the most common types of Iron ore. Roughly 98% of iron ore on the global market is used in iron and steel production. [8] The other 2% of iron ore is used to make powdered iron for certain types of steel, auto parts, and catalysts; radioactive iron for medicine; and iron blue in paints, inks, cosmetics, and plastics. [5]

  7. 9 types of food you should never feed your dog - AOL

    www.aol.com/article/2016/08/15/9-types-of-food...

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