You’ve probably heard the expressions “grin and bear it,” and “turn that frown upside down.” Urging someone to “put on a happy face”—or smile—is so common that these expressions reflect an intuitive understanding that donning a smile is good for us—and those around us.
Decades of research into the science of smiling also supports what so many have sensed is true—the simple act of putting on a smile—is beneficial for both our physical and mental health. The bigger the better.
