PROSTATE CANCER Diabetes and prostate cancer-an open debate

A recent meta-analysis evaluating the relationship between type 2 diabetes mellitus and prostate cancer provides strong evidence to support an inverse association between the two conditions. However, the influence of factors such as severity, duration and treatment of diabetes, and the influence of other metabolic disorders should also be considered and investigated further. De Nunzio, C. & Tubaro, A. Nat. Rev. Urol. 10, 12-14 (2013); published online 4 December 2012; doi:10.1038/nrurol.2012.239