Why Some Dogs Grow Up Fearful or Aggressive | New Harvard Study Explained

Why do some dogs grow up calm and confident while others struggle with fear or even aggression? A groundbreaking Harvard-led study of more than 4,400 dogs across 200 breeds reveals that the first six months of life may hold the answer.

In this video, we explore how early experiences — both positive and negative — can shape a dog’s temperament for years to come. Discover why certain breeds are more sensitive to early trauma, why Golden Retrievers and Labradors often show resilience, and how simple steps like socialization can make all the difference.

Whether you’re raising a puppy, adopting from a shelter, or simply fascinated by canine behavior, this research offers powerful insights into the dogs we love.

Subscribe to Pet Pals for more science-based guides and inspiring stories about dogs around the world.

#dogbehavior #puppysocialization #dogaggression

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