Dogs really can smell your fear, and then they get scared too - Dogs exposed to sweat from human volunteers who watched videos designed to cause fear showed more signs of stress than those exposed to happy or neutral smells. They also had higher heart rates, and sought reassurance from owners.

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Dogs really can smell your fear, and then they get scared too - Dogs exposed to sweat from human volunteers who watched videos designed to cause fear showed more signs of stress than those exposed to happy or neutral smells. They also had higher heart rates, and sought reassurance from owners.