Letter

Calcium and vitamin D in preventing fractures: Dietary intake of calcium needs to be considered

BMJ 2005; 331 doi: 10.1136/bmj.331.7508.108-a (Published 7 July 2005)
Cite this as: BMJ 2005;331:108.2

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  1. Julian R F Walters, reader in gastroenterology (julian.walters@imperial.ac.uk)
  1. Hammersmith Hospital, Imperial College, London W12 0NN

    EDITOR—In their prospective randomised trial of calcium and vitamin D supplementation, Porthouse et al found no evidence that this reduced the risk of clinical fractures in women at risk.1 However, several aspects need closer examination before a therapeutic role can be defined.

    Although these women all had risk factors for hip factors, they were highly self selected. Of 48 987 originally invited, …

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