Vitamin D supplementation reduces the occurrence of colorectal

Preventive medicine · Jun 2020

Vitamin D supplementation reduces the occurrence of colorectal polyps in high-latitude locations.

There is suggestive evidence for the role of vitamin D in the development of colorectal cancer (CRC). Due to high latitudes in Canada, many Canadians are vitamin D deficient throughout winter. In this analysis, we examined the association between vitamin D supplement use and high-risk adenomatous polyps (HRAPs). ⋯ When examining the association between any supplemental vitamin D use and HRAPs, a protective effect is observed with an ORadj of 0.57 (95% CI: 0.33-0.96). Similarly, meeting the recommended daily intake (RDI) of vitamin D (600 IU) is protective against HRAPs with an ORadj of 0.78 (95% CI: 0.62-0.99). This study suggests that adequate vitamin D supplementation reduces the occurrence of colorectal polyps in high-latitude locations.

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- R Liam Sutherland, Jennifer Ormsbee, Joy Pader, Nauzer Forbes, Susanna Town, Robert J Hilsden, and Darren R Brenner.
- Department of Cancer Epidemiology and Prevention Research, Alberta Health Services, Canada; Forzani & MacPhail Colon Cancer Screening Centre, Alberta Health Services, Canada; Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Canada.
- Prev Med. 2020 Jun 1; 135: 106072.
AbstractThere is suggestive evidence for the role of vitamin D in the development of colorectal cancer (CRC). Due to high latitudes in Canada, many Canadians are vitamin D deficient throughout winter. In this analysis, we examined the association between vitamin D supplement use and high-risk adenomatous polyps (HRAPs). The study population was drawn from the biorepository at the Forzani & MacPhail Colon Cancer Screening Centre (CCSC) in Calgary. Individuals enrolled between 2013 and 2016 between the age of 50 and 74 years (n = 1409) were included. When examining the association between any supplemental vitamin D use and HRAPs, a protective effect is observed with an ORadj of 0.57 (95% CI: 0.33-0.96). Similarly, meeting the recommended daily intake (RDI) of vitamin D (600 IU) is protective against HRAPs with an ORadj of 0.78 (95% CI: 0.62-0.99). This study suggests that adequate vitamin D supplementation reduces the occurrence of colorectal polyps in high-latitude locations.Copyright © 2020 Elsevier Inc. All rights reserved.

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Vitamin D supplementation reduces the occurrence of colorectal polyps in high-latitude locations.

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