May 9, 2012
Smile predicts how long you'll live Ron Gutman
Smile predicts how long you'll live Ron Gutman, Ron Gutman reviews a raft of studies about smiling, and reveals some surprising results. Did you know your smile can be a predictor of how long you'll live -- and that a simple smile has a measurable effect on your overall well-being? Prepare to flex a few facial muscles as you learn more about this evolutionarily contagious behavior.
Source:Youtube