Letter

Vitamin D and falls

Information on harm is missing

BMJ 2009; 339 doi: 10.1136/bmj.b4395 (Published 28 October 2009)
Cite this as: BMJ 2009;339:b4395

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  1. Gabriele Meyer, professor of clinical nursing research1,
  2. Sascha Köpke, research fellow and senior researcher2
  1. 1University of Witten/Herdecke, 58453 Witten, Germany
  2. 2University of Hamburg, Unit of Health Sciences and Education, Hamburg, Germany
  1. Gabriele.Meyer{at}uni-wh.de

    We read Bischoff-Ferrari and colleagues’ meta-analysis with astonishment, because it does not consider potential side effects of vitamin D and its toxicity.1 This is further evidence that treatment harms are regularly under-reported, even when the information is accessible in primary …

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