Silver Book Fact
In adults over 55 years, the lifetime risk of stroke is greater than 1 in 6.
Rosamond W, Flegal K, Furie K, Go A, et al. Heart Disease and Stroke Statistics- 2008 Update. Circulation. 2008; 117. http://circ.ahajournals.org/cgi/content/short/117/4/e25