Horses Can Smell Your Fear, Bizarre Sweat Study Finds

image via New Scientist

January 14, 2026, 7:00 PM

• •Horses can smell human fear through sweat.
• •Horses exposed to fear sweat showed fearful behaviors.
• •The study used cotton pads soaked in human sweat.
• •Horses reacted differently to novel objects based on the sweat sample they smelled.

A recent study found that horses can detect human fear through scent alone. Researchers gathered sweat samples from humans watching joyful and scary movie clips. Horses exposed to sweat from fearful individuals exhibited signs of fear themselves, such as being easily startled and less interactive. This research suggests that horses can sense human emotions through smell, offering insights into animal behavior and human-animal interaction.

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