The stakes of treating “how are you?” like a throwaway greeting are higher than you might expect. When the question becomes ...

Two decades ago, psychologist Christopher Peterson claimed that the emerging field of positive psychology could be summarized in three words: Other people matter. These words could just as well ...

All of us have heard guidelines about how to be physically healthy—eat well, exercise, wash your hands, get plenty of rest. But how many of us have thought seriously about our social lives—the ...