SCIENCE NOW CONFIRMS what philosophers, poets, and lovers have known for millennia—that our connection to other human beings is both an essential truth of our existence and a pillar of happiness, health, and longevity.
In the Harvard Study of Adult Development, of which I am the director, we have studied thousands of lives over more than eighty-five years. In this unique longitudinal study of people over the course of their lives, we have watched the choices people make and how those choices affect their happiness, health, and well-being. We find that the people who are more
