I recognise the particular interest that MS organisations have in that regard, and it is fair to say that a significant amount of research is being done internationally to examine a variety of ways in which we can more effectively prevent or treat MS.Mary Scanlon made a point about the need to review the literature and the research that exists. In 2010, the Institute of Medicine in the United States published a 1,000-page document that reviewed all the world literature and research that has been produced to date.