It might be as simple as a pat on the back. Or a supportive touch on the arm. These gestures may seem small, but research shows more and more that touch is a powerful way to communicate emotion.
In one study, 70 percent of strangers could communicate emotion with one another through nothing more than a touch. Researchers have also found that a supportive touch can ease pain, alleviate stress and encourage students to participate in class.
On today's Conversation, Diane Sawyer talks with...Full Story