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
Ron Gutman is the founder and CEO of HealthTap, a personalized health-info site that's currently in beta. He's also the organizer of TEDxSiliconValley.
http://www.ted.com/speakers/ron_gutman.html