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 behaviour!
Ron Gutman is the founder and CEO of HealthTap, free mobile
and online apps for health info. He is also the organizer of TEDxSiliconValley.