1. If you smile your mood will improve immediately. This is due to the simple action of thinking about smiling as well as using the muscles, which triggers happy chemicals in the brain.
2. 70% of people think people are more attractive when they smile then when they wear makeup, at least studies have proven it.
3. You're more likely to be promoted if you smile often.
4. There are over 19 types of smiles. Just 6/19 smiles is because of happiness. More about these smiles can be found here : http://www.mashupcorner.com/did-you-know-there-are-19-types-of-smile/ .
5. It's easier to smile than to frown. Despite smiling requiring more muscles, it takes a lot of effort to frown.
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The Book of Facts
RandomAll types of facts can be found here; from psychological to the things you don't want to know.
