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In an unprecedented series of studies, Harvard Medical School has followed 824 subjects -- men and women, some rich, some poor -- from their teens to old age. Harvard's George Vaillant now uses these studies -- the most complete ever done anywhere in the world -- and the subjects'... Read Full Overview

Harvard Medical School has spent more than fifty years studying the basic elements of adult development, looking at life choices, health, and happiness in hundreds of individuals. Now, for the first time ever, the results of this unprecedented study are being made public, and... Read Full Overview