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Dog aggression is a condition that can hit home for pet owners, as it can be unsettling, stressful, and even dangerous, not only for the dog but also for other pets, family members, and strangers.

A recent study on aggression in dogs by University of Arizona professor Evan MacLean and his colleagues called "Endogenous Oxytocin, Vasopressin, and Aggression in Domestic Dogs" caught my eye because ...