Intended for healthcare professionals

Letters Vitamin D and risk of cause specific death

Vitamin D has a greater impact on cancer mortality rates than on cancer incidence rates

BMJ 2014; 348 doi: (Published 29 April 2014) Cite this as: BMJ 2014;348:g2862
  1. William B Grant, researcher1,
  2. Cedric F Garland, adjunct professor2
  1. 1Sunlight, Nutrition and Health Research Center, San Francisco, CA 94164-1603, USA
  2. 2Division of Epidemiology, Department of Family and Preventive Medicine, University of California San Diego, La Jolla, CA, USA
  1. wbgrant{at}

Chowdhury and colleagues’ meta-analysis of cancer specific incidence and mortality rates with respect to bottom versus top third of baseline 25-hydroxyvitamin D levels found higher relative risks for those with cancer at time of enrolment than those without.1 The implication of this finding is that vitamin D has a much stronger impact on survival after developing cancer than on reducing the …

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