You can smile yourself a little happier, scientists suggest

After decades of argument, psychologists finally seem to agree on the facial feedback hypothesis'

It won't bring sunshine to the darkest days, but those in need of a little cheer may want to extend the corners of their lips towards their ears and lift their cheeks towards their eyes - using only their facial muscles, mind.

After decades of argument and counter-argument, psychologists have apparently agreed that arranging one's features into the shape of a smile helps brighten the mood. In other words, if you want to feel a little happier, try looking a little happier first.