Is there any difference between the intake of dietary iron and body iron levels?

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In support of the previous studies findings, a meta-analysis of prospective cohort studies of colon cancer analyzed haem intakes. The analysis determined that 3/5 of the studies displayed a link between a high haem iron intake and an increase in colon cancer. The relative risk of colon cancer was 1.18 (95% CI: 1.06–1.32) for the participants in the higher haem iron group compared to the participants in the lowest haem intake group. This shows a significant but modest association between haem iron intake and development of colorectal cancer. However, the meta-analysis only included five cohort studies, suggesting the scope of studies was not broad enough to come to a definitive conclusion. Only 3/5 of the studies showed a significant positive association questioning the reliability of the...
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