Both real and fake smiles depend on cranial nerve VII, also known as the facial nerve, which sends signals from the brain to the muscles of facial expression. However, there’s a key neurological ...

Stock picture. Credit: Getty Spotting a fake smile has long been studied - when in 1862 the French neurologist, Guillaume Duchenne, found how real and fake smiles use different muscles.

Try this experiment: Stand in front of a mirror and smile for 1 minute. Do you feel tight, tense, or even a little tired? Do you find it challenging to smile consciously for even a minute? When ...

Children can spot a faker: Toddlers learn to pick out genuine smiles early on and can tell who is likely to be nicer to them Psychology study looked at groups of children aged two to five years ...

istockphoto (CBS News) A fake smile might be better for you than no grin at all, according to a new study. Researchers at the University of Kansas discovered that if people were told to hold a ...