Research shows that regular brushing works with dogs and cats the same way it does with people. It helps prevent gum disease, which can have terrible consequences. The bacteria that infect the gums can find their way into the bloodstream, and from there, reach other organs damaging the heart, liver and kidneys, shortening a dog’s life.

Should You Be Brushing Your Dog’s Teeth? originally appeared in the Your Dog newsletter from Tufts University.