Personally, I'm a big fan of both dogs and cats. When you choose one that fits your personality, you've got one heck of a friend in your corner. That said, most folks tend to draw a line in the sand when it comes to our four-legged pals. They're staunch members of either Team Canine or Team Feline.

This raises the question: which species actually loves its owners more? Well, one researcher says he's found the answer. In the new BBC2 series Cats v. Dogs, neuroeconomist Dr. Paul Zak tracked 10 dogs and 10 cats alongside their owners. His goal? To determine which species produced higher levels of the brain chemical oxytocin, a.k.a. "the love hormone."

Dr. Zak's method was simple yet effective: he took saliva samples from each of the animals, both before and immediately after a playful romp with their owners. These samples were then shipped to the ol' lab.

dog-owner-couch

The end result? The dogs produced nearly five times more oxytocin (!) than their kitty counterparts. To boot, half the cats tested in the study didn't show any increase in the chemical whatsoever. Ouch!

Here's the silver lining, feline enthusiasts. Some dogs are jerks. So are some cats. But most are amazingly loyal and loving companions. Let's just hope you've chosen well!

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Steven Shehori is a Canadian Comedy Award winner and Gemini Award loser. He writes TV comedies and is one of the resident music and pop culture guys over at the A.V. Club and the Huffington Post. To enhance your overall quality of life, consider adding him on Twitter or following his comedy podcast, You Better DON'T!