As you have seen here — smiles are contagious!
You’ve probably also noticed an uplift in mood. Smiles make you feel good, they cause a release of endorphins in the brain, endorphins being the neurotransmitter substance that causes a natural high.
In case you haven’t read our recent post on “The Emotional Lift of Breaking Routines,” not only do positive emotions make you feel good, they are good for your mind and body.
Here’s a some evidence of the long-term effect of smiling. Researchers at Wayne State University compared photos of 230 professional baseball players who started their career before 1950. On average, those who smiled the most lived 7 year more than the other guys.