facts about smile.

1. A smile is a universal expression of happiness and recognized as such by all cultures.
2. A smiling person is judged to be more pleasant, attractive, sincere, sociable, and competent.
3. Happy people generally don't get sick as often as people who are unhappy.
4. Smiling or even seeing somebody smile releases endorphins that work in the brain to give an overall feeling of well-being.
5. People are born with the ability to smile. Even babies born blind smile.
6. Adults laugh approximately 15 times per day, while children laugh about 400 times a day.
7. It takes only 17 muscles to smile, compared to 43 muscles to frown.
8. Women smile more than men.