At a time when many people around the world are living into their tenth decade, the longest longitudinal study of human development ever undertaken offers some

Between 1939 and 1942, one of America's leading universities recruited 268 of its healthiest and most promising undergraduates to participate in a revolutionary

In a unique series of studies, Harvard University has followed 824 subjects from their teens to old age. Professor George Vaillant now uses these to illustrate

One of America's preeminent psychiatrists draws on his famous Study of Adult Development to give us an exhilarating look at how the mind's defenses work. What w

In our current era of holy terror, passionate faith has come to seem like a present danger. Writers such as Richard Dawkins, Sam Harris, and Christopher Hitchen