True, Smiling can cause the brain to release feel-good chemicals., Blind babies smile in response to happiness., People naturally tend to smile back when someone smiles at them., Genuine smiles often produce small wrinkles around the eyes., Unborn babies have been observed smiling during pregnancy., Smiling can make a person appear friendlier and more confident., Every person’s smile is unique., People who smile frequently may experience lower stress levels., False, Only a genuine smile can improve your mood., Smiling has completely different meanings in different cultures., Scientists agree that there are exactly three types of smiles., People smile only when they feel happy., Genuine and fake smiles are controlled by the same part of the brain., Babies do not begin smiling until several weeks after birth., Dogs cannot distinguish between happy and angry human faces.

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