Iron tablets taken by millions of women during pregnancy or to combat heavy periods may cause bowel cancer, study finds

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Iron tablets taken by millions may cause bowel cancer, new research suggests.

Even low doses of the chemicals ferric citrate and ferric EDTA, which are commonly found in over-the-counter iron supplements, increase levels of a protein associated with the disease, a study found.

Lead author Professor Scheers,¬†from the Chalmers University of Technology, Gothenburg, said: ‘We can conclude ferric citrate and ferric EDTA might be carcinogenic, as they both increase the formation of amphiregulin, a known cancer marker most often associated with long-term cancer with poor prognosis.’

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