Letters Calcium and heart attacks

The heart of the matter

BMJ 2010; 341 doi: http://dx.doi.org/10.1136/bmj.c4993 (Published 15 September 2010) Cite this as: BMJ 2010;341:c4993
  1. Bess Dawson-Hughes, professor of medicine1
  1. 1USDA Nutrition Center at Tufts University, 711 Washington Street, Boston, MA 02111, USA
  1. bess.dawson-hughes{at}tufts.edu

    In their meta-analysis Bolland and colleagues conclude: “Calcium supplements without vitamin D are associated with an increased risk of myocardial infarction.”1 This conclusion relies heavily on unpublished data from the RECORD trial, the source of over half of the cardiovascular disease events in the meta-analysis.

    In this trial, investigators posted calcium, vitamin D, their combination, …

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