Long before modern brain imaging technologies illuminated the neurophysiological mechanisms that make laughter contagious, William James (1842-1910) observed, "We don't laugh because we're happy, ...

Researchers have identified why suppressing laughter is easier when you’re alone. Social settings, they say, make emotional ...

So much of our attitude about life and our capacity to meet life's challenges depends on the quality of the relationships we have, especially our most intimate relationships that when they go sour, ...