Recent study findings suggest calcium, from the diet and supplements, may reduce the risk of colorectal cancer, by up to 40 percent.
The results, from the Shanghai Women's Health Study of over 73,000 women, found that the highest daily calcium intake significantly reduced the risk of colon and rectal cancer, compared to the lowest daily intake.
Researchers evaluated the dietary intake of participants using a food frequency questionnaire. Nutrients including calcium, vitamins A, B1, B2, B3, C, E and fibre were calculated.
A six year follow up period revealed that the relative risk of colorectal cancer was 40 percent lower for the group with the highest calcium intake. No statistically significant relationship between other nutrients and cancer was calculated.
The findings were published in the International Journal of Cancer (Vol. 119).
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