The hidden power of smiling | Ron Gutman

http://www.ted.com 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.

Видео The hidden power of smiling | Ron Gutman канала TED