From Health Day:
The investigators also found that people display positive emotions with a so-called Duchenne smile, which involves simultaneous movement of two facial muscles around the eyes and cheeks and primarily occurs when people are sincere and happy. Others see this type of smile as sincere and it helps with social bonding. People are highly aware of this type of smile and are good at "reading" a fake smile," according to study leader Belinda Campos of the University of California, Irvine.

For the full story, please visit http://consumer.healthday.com/general-health-information-16/friendship-health-news-324/smiling-can-lead-to-new-friendships-relationships-699789.html.

 

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