Posted AT 4:57 AM EDT on 25/10/07
Cancer society calls for major vitamin D trial
Intrigued by the possibility that taking vitamin D may be an easy way to prevent cancer, the Canadian Cancer Society has taken the unusual step of writing to major medical research agencies in North America to tell them that it is time to fund a large-scale clinical trial that will find out for sure.
Society officials don't think the organization has ever before indicated to the research community in such a high-profile way the need for a clinical trial.
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