Silver Book Fact
Every 40 seconds, on average, someone in the U.S. has a stroke.
Roger V, Go A, Lloyd-Jones D, Adams R, et al. Heart Disease and Stroke Statistics- 2011 Update. Circ. 2011; 10.1161/CIR.0b013e3182009701. http://circ.ahajournals.org/cgi/reprint/CIR.0b013e3182009701