Imagine if as a college student in 1939 you had agreed to be part of a study dedicated to unlocking the secrets of a life well-lived. Imagine if from that moment on, for as long as you lived, you were poked and prodded with virtually every medical test and psychological tool at the researchers’ disposal. Imagine if 267 of your classmates agreed to do the same thing. Then imagine, over the course of seven decades, as your whole group was studied throughout college, World War II, careers, marriages, and divorces, through parenthood and grandparenthood and into old age, what kind... Read full article »