Body-mass index and incidence of cancer: a systematic review and meta-analysis of prospective observational studies.

Renehan, Andrew G; Tyson, Margaret; Egger, Matthias; Heller, Richard F; Zwahlen, Marcel
Lancet; 2008 Feb 16;371(9612):569-78. PMID: 18280327
Department of Surgery, School of Cancer Studies, University of Manchester, UK.


Excess bodyweight, expressed as increased body-mass index (BMI), is associated with the risk of some common adult cancers. We did a systematic review and meta-analysis to assess the strength of associations between BMI and different sites of cancer and to investigate differences in these associations between sex and ethnic groups.