Intended for healthcare professionals

Letters Calcium and heart attacks

No evidence for increased risk

BMJ 2010; 341 doi: (Published 15 September 2010) Cite this as: BMJ 2010;341:c4995
  1. Gerardo Heiss, professor1,
  2. Judith Hsia,
  3. Mary Pettinger,
  4. Barbara V Howard,
  5. Garnet Anderson
  1. 1School of Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-7400, USA
  1. gerardo_heiss{at}

    Bolland and colleagues contrast the results of their meta-analysis with those of the women’s health initiative (WHI) randomised controlled trial of calcium/vitamin D supplementation with 254 000 subject years of follow-up.1 2 Cardiovascular events in the WHI study were pre-specified end points …

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