National Smile Day

National Smile Day is a day to celebrate the power of a smile and to encourage people to smile more. It is observed on May 31st every year.

National Smile Day was started by the American Dental Association in 1999.

There are many benefits to smiling. Smiling can:

• Improve your mood
• Reduce stress
• Boost your immune system
• Make you more attractive
• Make you more likable
• Make you more successful