Chronic Disease in Former College Students V. Early Precursors of Fatal Stroke Ralph S. Paffenbarger, Jr.M.D.Dr.P.H.F.A.P.H.A., and James L. WilliamsM.D. CopyRightDr. Paffenbarger is chief, Field Epidemiological Research Section, National Heart Institute, US Public Health Service (25 Evergreen St.), Framingham, Mass. 01701, and lecturer on epidemiology, Harvard University School of Public Health, Boston, Mass. Dr. Williams is affiliated with the Field Epidemiological Research Section, National Heart Institute. https://doi.org/10.2105/AJPH.57.8.1290 Published Online: August 29, 2011
Paffenbarger et al. (1967) studied this question.