Tim Key


Cancer Epidemiology Unit
Richard Doll Building

Professor of Epidemiology & Deputy Director, Cancer Epidemiology Unit

Tim Key’s main research interests are the roles of diet and sex hormones in the aetiology of cancer, and the long-term health of vegetarians.

He is the lead investigator of the Oxford component of the European Prospective Investigation into Cancer and Nutrition (EPIC) and also is a member of the Scientific Advisory Committee on Nutrition (SACN), an advisory committee of independent experts that provides advice to the UK Department of Health.


Recent Relevant Publications: 

Key TJ, Allen NE, Spencer EA, Travis RC. The effect of diet on risk of cancer.  Lancet, 2002: 360: 861-868

Key TJ, Appleby PN, Spencer EA, Travis RC, Roddam AW, Allen NE. Mortality in British vegetarians: results from the European Prospective Investigation into Cancer and Nutrition (EPIC-Oxford). Am J Clin Nutr. 2009 May;89(5):1613S-1619S.

Key TJ, Spencer EA, Reeves GK.Symposium 1: Overnutrition: consequences and solutions. Obesity and cancer risk. Proc Nutr Soc. 2010 Feb;69(1):86-90.

Key TJ, Appleby PN, Spencer EA, Travis RC, Allen NE, Thorogood M, Mann JI. Cancer incidence in British vegetarians. Br J Cancer. 2009 Jul 7;101(1):192-7.

Key TJ, Appleby PN, Reeves GK, Roddam AW for the Endogenous Hormones and Breast Cancer Collaborative Group. Insulin-like growth factor 1 (IGF1), IGF binding protein 3 (IGFBP3), and breast cancer risk: pooled individual data analysis of 17 prospective studies. Lancet Oncol. 2010 Jun;11(6):530-42.

Key TJ. Fruit and vegetables and cancer risk. Br J Cancer. 2011 Jan 4;104(1):6-11.

Key TJ, Appleby PN, Cairns BJ et al. Dietary fat and breast cancer: comparison of results from food diaries and food-frequency questionnaires in the UK Dietary Cohort Consortium. Am J Clin Nutr. 2011 Oct;94(4):1043-52.

Key TJ. Diet, insulin-like growth factor-1 and cancer risk. Proc Nutr Soc. 2011 May 3:1-4. [Epub ahead of print]