Cover image via Mashable
As the saying goes, laughter is the best medicine. According to research, laughing regularly has its health benefits that range from boosting immune system to lower blood sugar level
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Everyone laughs differently in real life, though, so it would follow that the same applies to the expression of laughter in text, that's what a recent study by Facebook found
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According to a post by the Facebook research team, the social media giant has been monitoring how people have been 'laughing' online
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Based on the study, the most common expression of e-laughter is haha, followed by emoji and hehe, with lol coming in last
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