Black people with a certain genetic variant may face a doubled risk of late-developing Alzheimer's disease, a study found.
http://www.bloomberg.com/news/2013-04-09/gene-doubles-risk-of-late-onset-alzheimer-s-in-blacks.html
http://www.bloomberg.com/news/2013-04-09/gene-doubles-risk-of-late-onset-alzheimer-s-in-blacks.html
