A research reveals your body knows when death is near, and it all starts in the nose

Some of the experiments conducted by these two researchers revealed that when people are exposed to the scent of putrescine, they move away, just like the animals which either run away or fight when they sense danger.

“We do not know why we like (or dislike) someone’s smell, and we’re usually not aware of how scent influences our emotions, preferences, and attitudes,” Wisman and Shira explain.

“It is hard to think of a scent as frightening,” other researchers claim. However, scents do make people more vigilant of their surroundings.

Sex pheromones, which are defined as odors produced by either males or females, that stimulate one or more behavioral reactions in the opposite sex, bringing the males and females together for the purpose of mating are just another example of the effect of scent at humans.

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