Name: The hidden power of smiling
Uploaded: 2011-05-11T14:14:00Z
Duration: 7 min 9 s
Description: 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.

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.

Ron Gutman: The hidden power of smiling

The hidden power of smiling

A UC Berkeley study linking yearbook smiles to life success suggests the power of our expressions extends beyond the surface, at 36.

Research shows that a genuine smile not only enhances well-being but could add years to your life, rivaling the effects of a big cash win.

Smiling triggers brain reward mechanisms more potently than chocolate, reducing stress and increasing perceived competence and health.