VIDEO: This is the one thing you should do to prolong your dog’s life

We all want our canine companions to stick around forever, and according to Alexandra Horowitz, author of "Being a Dog: Following the Dog into a World of Smell," taking care of your dog's dental health can help prolong your furry pal's life.

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A 1996 study published in the "Journal of Veterinary Dentistry" recommends daily tooth-brushing, but you can also opt for professional dental cleaning under an anesthetic or keep dental chews nearby.

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Watch the video below from Business Insider to hear Horowitz's tips on dog dental health: