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Keep Smiling, Canada! Here's What Your Grin Says About You

05/19/2015 12:04 EDT | Updated 05/19/2015 12:04 EDT

You might be revealing more than your pearly whites the next time you smile. It turns out a smile reveals as much about where you're from as it does about who you are. That's according to a study published by the Journal Proceeding Of National Academy Of Sciences.

So what does your grin have to do with where you're from? Well, you can chalk that up to about 500 years of history, migratory patterns and data from nine countries, including Canada. But there's more! How you flash a smile can also reveal some telling details about your personality as well.

So go ahead and smile because that's The One Thing You Should Know Today.