"Most smiles are started by another smile." Do you agree?

These are some fascinating facts about smile. It can boost your immune system. It is easier to smile than to frown as your body is using less muscles. It can also relieve stress because your body releases endorphines when you smile which will make you feel better. It is a universal sign of happiness and acceptance around the world. It uses 5 to 53 facial muscles. So smile everyone. It will make you feel good as you are on top of the world.