Pasteurising milk makes it safer, but are there any benefits to drinking it “raw”? James heads to a dairy farm to investigate the evidence and see if anything is lost in pasteurising milk.Guests: Professor Marion Nestle, food policy expert, New York University Dr Ellen Evans, food safety expert at Cardiff Metropolitan University Jonny Crickmore, Fen Farm Dairy and chairman of the Raw Milk Producers Association Professor Markus Ege, researcher, University of MunichPresenter: James Gallagher Producer: Tom Bonnett