Why do people have different laughs?

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Laughter may be contagious, but sometimes it sounds like we all have different strains.

Think of those famous, trademark laughs — Fran Drescher's nasally titter, Eddie Murphy's breathless guffaw, Nick Offerman's unexpected giggle. Now, think of your own. They're all different, as if dialects or accents from across the geography of laughter.

See also: 18 Videos of Contagious Laughter to Jumpstart Your Monday

The reasons we laugh extend beyond responses to humor — laughter is a social tool, one we use to interact with each other and also to take advantage of its benefits (like its therapeutic effects and advantages for improving memory) Read more...

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from MashableMatt Petronzio