Silver Book Fact
Among American adults age 20 and older, the estimated prevalence of stroke in 2006 was 6.4 million.
Lloyd-Jones D, Adams R, Brown T, Carnethon M, et al. Heart Disease and Stroke Statistics- 2010 Update. Circulation. 2010; 121. http://circ.ahajournals.org/cgi/content/extract/121/7/e46