Claims do not hold waterBMJ 2011; 342 doi: https://doi.org/10.1136/bmj.d3543 (Published 07 June 2011) Cite this as: BMJ 2011;342:d3543
- James Penston, consultant physician/gastroenterologist1
- 1Scunthorpe General Hospital, Scunthorpe, North Lincolnshire DN15 7BH, UK
Bolland and colleagues claim that their reanalysis of the Women’s Health Initiative calcium and vitamin D study shows that long term treatment with calcium and vitamin D increases the risk of cardiovascular events in women not taking calcium supplements at randomisation.1 But is this claim supported …
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