Watch it here:
http://abcnews.go.com/WNT/video/smiling-proven-make-us-happier-14822785
http://abcnews.go.com/WNT/video/smiling-proven-make-us-happier-14822785
[No non-flash option for Iphone users yet. Sorry!]
Dr. Patrick Seder is a post-doctoral researcher and instructor at the University of Virginia. His research focuses on well-being, positive emotions, culture, self-regulation, mindfulness...and the art of Andy Warhol.