Is your dog hormonal? Biologists say they could be to blame for aggressive behavior

(Natural News) Leash aggression is a common behavioral problem where dogs tend to become more aggressive when leashed. The absence of proper training and lack of socialization are typically pegged as the primary causes of leash aggression, though a new study has uncovered another possible cause for it: hormones. Specifically, the hormones oxytocin and vasopressin,...

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