Question

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What is behind a smile?​

Answer 1

When our brains feel happy, endorphins are produced and neuronal signals are transmitted to your facial muscles to trigger a smile. ... When our smiling muscles contract, they fire a signal back to the brain, stimulating our reward system, and further increasing our level of happy hormones, or endorphins.

HOPE IT HELPS! :)

Answer 2

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• ✰ Typically, smiling depression occurs when individuals who are experiencing depression mask their symptoms. They hide behind a smile to convince other people that they are happy.
• ✰ Behind my smile there are loneliness, depression,emptiness,pain and a cry for help :(