Can dogs really tell when someone can't be trusted? Scientists explain the human signals dogs notice first

Can dogs sense when someone has bad intentions? Science says dogs cannot judge human morality. But they can read signals that people often miss. Research shows dogs respond to human behavior, body language, tone of voice, facial expressions, stress scent, and past experiences before trusting someone. Studies from Kyoto University and other researchers reveal dogs observe how people treat their owners and react to emotional cues.

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