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  • Low vitamin D status...

Low vitamin D status may increase colorectal cancer risk in black women: Study

Written By : Dr Kartikeya Kohli |Medically Reviewed By : Dr. Kamal Kant Kohli Published On 2022-01-28T08:00:29+05:30  |  Updated On 28 Jan 2022 8:03 AM IST
Low vitamin D status may increase colorectal cancer risk in black women: Study
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Boston - Black women with a low vitamin D status have an increased risk of developing colorectal cancer, in line with the findings of previous epidemiologic studies conducted in White populations, suggests new study from the Slone Epidemiology Center and the Boston University School of Medicine. Therefore Prevention of vitamin D deficiency may be one way to reduce the disproportionately high rates of colorectal cancer.

These finding appear online in the journal Cancer Epidemiology, Biomarkers & Prevention.

"Our findings, taken together with established evidence that vitamin D levels are generally lower in the Black population than other groups, suggest that low vitamin D may contribute to disproportionately high colorectal cancer incidence among Blacks," said corresponding author Julie Palmer, ScD, director of BU's Slone Epidemiology Center and the Karin Grunebaum Professor in Cancer Research at Boston University School of Medicine.

Vitamin D plays a role in many cellular processes in the human body and has been shown to have anti-cancer properties. It is possible that having sufficient levels of vitamin D circulating through the body may reduce the risk of developing colorectal cancer, which is a disease that affects over 150,000 individuals each year. The Black population tends to have lower levels of vitamin D because the major source of vitamin D, aside from taking vitamin D supplements, is from sunlight. They also are disproportionately burdened by colorectal cancer, with the highest rates of both incidence and mortality.

In an effort to determine vitamin D levels prior to the cancer diagnosis, the researchers developed a set of the best predictors for correctly classifying a study participant as to her rank on a scale of possible vitamin D levels from very low to very high. The prediction model derived by this process weighted variables by how strongly they were associated with actual blood levels. The researchers then applied that model to all participants in the Black Women's Health Study to get a predicted vitamin D score that would likely correspond well to their relative level.

They found that, among Black women, those whose predicted vitamin D levels were low (in the bottom 25 percent of all participants) were estimated to have a 40 percent higher risk of developing colorectal cancer compared with women whose predicted levels were in the top 25 percent.

The researchers believe it is important to determine if there is a relationship between vitamin D status and colorectal cancer risk in a Black population, so that individuals who are at an increased risk of colorectal cancer can implement strategies to increase the levels of vitamin D in their bodies.

10.1158/1055-9965

vitamin dcoloractal cancercancer epidemiology biomarkers & preventionvitamin d levelssupplements
Source : cancer epidemiology biomarkers & prevention
Dr Kartikeya Kohli
Dr Kartikeya Kohli

    Dr Kartikeya Kohli is an Internal Medicine Consultant at Sitaram Bhartia Hospital in Delhi with super speciality training in Nephrology. He has worked with various eminent hospitals like Indraprastha Apollo Hospital, Sir Gangaram Hospital. He holds an MBBS from Kasturba Medical College Manipal, DNB Internal Medicine, Post Graduate Diploma in Clinical Research and Business Development, Fellow DNB Nephrology, MRCP and ECFMG Certification. He has been closely associated with India Medical Association South Delhi Branch and Delhi Medical Association and has been organising continuing medical education programs on their behalf from time to time. Further he has been contributing medical articles for their newsletters as well. He is also associated with electronic media and TV for conduction and presentation of health programs. He has been associated with Medical Dialogues for last 3 years and contributing articles on regular basis.

    Dr. Kamal Kant Kohli
    Dr. Kamal Kant Kohli

    Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751

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