Our sample consists of two unique groups of men recruited in the 1930's and 1940's:


1. Harvard Cohort - Grant Study

The participants for this study were chosen when they were around 19 years old. It is a group of 268 Caucasian men from the Harvard classes of 1939-1944. 


2. Boston Cohort - Glueck Study

456 Caucasian men from the neighborhoods of Boston were selected at ages between 11-16 by Harvard Law School professors Sheldon and Eleanor Glueck.




Main Photo by National Library of Ireland / CC BY

Massachusetts General Hospital
Harvard Medical School  

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