“Anyone else repulsed by Usha Vance’s fake plastered smile and batting her eyelashes for the camera?” one user asked. “Okay, but someone tell Usha Vance she DOES NOT have to keep the smile ...

However, more recent findings paint the Duchenne smile in a different ... In this view, a smile is not genuine or fake, at all. Instead, it is a signal to indicate that we wish to collaborate ...