New research has revealed a link between low levels of folate and the onset of dementia. The study found people aged between 60 and 75 who have a vitamin B9 deficiency were more likely to be diagnosed with the disease. The study's authors, Israeli scientists from the University of Haifa, say folate levels should be routinely monitored in older age. The best way to boost your levels is by eating foods high in folate like legumes and leafy greens. 7NEWS at 6pm. More local news: 7news.com.au/news/S