This piece on how we may be able to “keep dementia at bay” refers to the high individual and social costs of dementia in the U.S. as gauged and [reported by Michael Hurd and Ken Langa in 2013](http://www.nejm.org/doi/full/10.1056/NEJMsa1204629) ($157-$215 billion annually with a growth rate that will roughly double that amount by 2040).

More about Analysis of dementia costs by Michael Hurd (RAND) and Kenneth Langa (Michigan) cited in USA Today >