Review finds drugs, vitamin supplements may not help prevent cognitive decline in seniors

... age, but not enough to interfere with daily activities. The annual rate of decline into dementia , such as Alzheimer's disease, is about 10 per cent. Given that rate and the aging population, it's estimated the number of Canadians with dementia will ...

http://www.news-medical.net/news/20130416/Review-finds-drugs-vitamin-supplements-may-not-help-prevent-cognitive-decline-in-seniors.aspx