I was following the same yoga video I had followed more than 30 times in the past. Because I know the routine well, I usually have little trouble breathing rhythmically through the postures, feeling ...

A psychologist explains the evolutionary and psychological roots of laughter, and what an infant’s giggles teach us about how adults bond. There’s nothing quite like bearing witness to a baby’s first ...

Over a century ago, William James—an American physician, philosopher, and educator, who many consider the father of modern psychology—wisely said, “We don’t laugh because we’re happy. We’re happy ...