Dr Unger and Dr Scherer suggest that this failure of the leptin mechanism, particularly its role in oxidising lipids, is crucial to the development of metabolic syndrome, and that it is a pathology of adipose tissue that has become overloaded.

ECONOMIST: Metabolic syndrome

Texas pathology group ProPath stopped getting prostate tissue from large urology groups more than four years ago, said executive director Krista Crews, when these clients began doing lab work in-house.

WSJ: Prostate-Test Fees Challenged

This could then be used by pathology labs and even by surgeons who wanted to make sure they had removed all the cancerous tissue during an operation.

BBC: Laser 'lights up' cancer