The smile is one of the way of how to make yourself feel better and how to improve your day or someone else's day. In addition smile has many positive effects on your health. Some of the
benefits of smiling are listed below:

1. Smiling Makes You Look Better & Approachable

 2. Smiling Makes You Feel Better & Improves Your Mood

3. Smiling Relieves Stress

4. Smiling Is Contagious

5. Smiling Helps You Stay Positive

6. Smiling Boosts Your Immune System

7. Smiling Lowers Your Blood Pressure

8. Smiling Releases Endorphin: Natural Pain Killers

9. Smiling Makes You Look Younger

10.Smiling Makes you Seem Successful

[Source: Longevity]