via NationalDayCalendar:
If someone smiles at you, you’re bound to smile back. A smile can be used to express a feeling, encourage someone, or be used as a greeting. If you don’t smile enough, World Smile Day is the perfect day to start.
There are many benefits of smiling:
- Improves mood
- Lowers blood pressure
- Relieves stress
- Betters relationships
- Boosts the immune system
- Relieves pain
- Increases life expectancy
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