The ‘Cochrane Collaboration’ is an international collective of researchers whose self-proclaimed role is to provide accurate and robust appraisals of health interventions. The group specialises in ‘meta-analyses’: the grouping together of several similar studies on interventions including drug therapies…

Last month, I wrote a blog post about how there was no evidence that cholesterol-lowering ‘stanols’ and ‘sterols’ (found in some margarines and other ‘functional foods’) have benefits for health. In fact, the National Institute for Health and Care Excellence (NICE) whose job it is to assess the effectiveness of treatments, have explicitly stated: “People should not routinely be recommended to take plant sterols and stanols for the primary prevention of [cardiovascular disease].”