See BBC News report. What a refreshing change to have medical researchers speaking in favour of vitamin supplements! All too often doctors intone that a balanced diet should provide all the nutrients necessary for health and so people shouldn't 'waste money' on nutritional supplements, despite the undoubted fact that many, many people benefit from taking vitamin and mineral pills. Healthy, fit professionals tend to forget that others may have difficulty eating because of ill-fitting dentures, for example, or may have difficulty shopping for food or problems in cooking it, etc.
It is such good news to learn that here is a positive step that can be taken against the increasing scourge of this feared disease that causes such great personal suffering, impaired quality of life and earlier death, and great economic cost to the nation. In the light of these research findings I personally intend to take more vitamin B6 and B12 and I'll think about more folate. And I certainly won't be going to see a GP for permission/encouragement to do so! since I do not yet lack the cognitive competence to recognise good sense when I read it!