calcium supplemenentation: myocardial infarction, stroke, or sudden death

Vascular events in healthy older women receiving calcium supplementation: randomised controlled trial -- Bolland et al., 10.1136/bmj.39440.525752.BE -- BMJ (free)
Conclusion: Calcium supplementation in healthy postmenopausal women is associated with upward trends in cardiovascular event rates. This potentially detrimental effect should be balanced against the likely benefits of calcium on bone. Setting: Academic medical centre in an urban setting in New Zealand.
(published 15 January 2008)