Wow, the World Health Organization predicts that the number people with dementia is expected to double by 2030. Currently, the risk of dementia is 1 in 8 for those over 65 and a shocking 1 in 2.5 for those over 85. See related article here: http://health.yahoo.net/news/s/afp/dementia-cases-to-double-by-2030-who