Your Smile Is Contagious

A smile might seem simple, but science says otherwise.

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Behind every grin is a powerful chain reaction in the brain: yours and the person you’re smiling at. Thanks to something called mirror neurons, smiles are literally contagious, activating feel-good chemicals like dopamine, serotonin, and endorphins in both people.

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A smile can reduce stress, build trust, and strengthen emotional bonds. It’s one of the most natural, accessible tools we have for mental wellness...

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