New findings that have pointed to a link between high levels of vitamin D in the blood and a reduced risk of bowel cancer should be looked on sceptically for now, it has been claimed.
Carina Powney, advisory service nurse at Bowel Cancer UK, said the research should be treated cautiously as there is still little long-term evidence supporting the findings.
She commented: "As we do not know the risks of taking supplements on other types of cancers - we do know that taking high doses of vitamin D over a long period could weaken bones - the findings should be treated with caution at this stage."
According to research by the International Agency for Research on Cancer, higher blood levels of vitamin D are associated with a reduced risk of colorectal cancer.
The study consisted of 1,248 case reports of individuals with the disease and was published in the British Medical Journal on Friday (January 22nd).
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