Vitamin D status and ill health--author's reply

Philippe Autier, Mathieu Boniol, Cécile Pizot, Patrick Mullie

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)


Giovannucci enquires whether intervention studies were long enough to allow full expression of health benefits associated with high serum 25-hydroxyvitamin D (25[OH]D) concentrations. Recent meta-analyses that compared top to bottom quantiles of 25(OH)D found summary relative risks of 0·67 (95% CI: 0·59–0·75) in 16 studies of type 2 diabetes1 and of 0·66 (0·54–0·81) in eight studies of colorectal cancer.2 We plotted relative risks of diabetes and colorectal cancer occurrence reported by prospective studies against follow-up duration (figure).
Original languageEnglish
Pages (from-to)275-276
Number of pages2
JournalThe Lancet Diabetes & Endocrinology
Issue number4
Publication statusPublished - 1 Apr 2014


  • intervention studies
  • vitamin D
  • vitamin D deficiency
  • ill health


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