The body smell that reassures men but makes women more aggressive

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Science has long been studying as body smell is related to mammalian behaviors.In some cases, social or aggressive skills are activated based on what smells consciously and unconsciously in the environment or with interaction with other members of the same species.Among humans, according to a recent study, there is an obvious difference between men and women.

A new research from the Weizmann Institute of Sciences (Israel) has shown that a simple molecule in the smell can alter women and return them aggressive, while reassuring men.To verify it, 127 participants (67 men and 60 women) recruited to measure themselves in a game with another person they did not know.Before the challenge, some were asked to smell an oil.Some received a normal oil and in others a component called Hexadecanal had been included, but none could really perceive the difference in their nose.During the development of the games, the hidden rival had annoying behaviors and the observed individuals could respond with response sounds of different intensity to communicate with the adversary (as a car of a car).

According to the results, the women who had smelled the component (one of the substances that emits in more abundance the head of the human being when he is a baby) were much more aggressive than those who had not smelled the hexadecanal.On the other hand, among the men who had received body smell there were much calmer responses than those who had not gone through the same experience.

To confirm their hypothesis, scientists also studied the brain behaviors of the subjects.The results were parallel."The hexadecanal, apparently, affects men in a sense of social regulation, their aggressiveness remained at bay and served as a sign of 'cooling', while in women control decreased and can be considered as a sign of 'Liberation, "said Eva Mishor, the main author of the study and member of the Department of Neurobiology of the Israeli University.

While scientists try to fit this piece of discovery with others, they have reached a possible explanation for this difference with this specific component.According to the report published in the scientific journal Science Advances, it could be a point of communication of babies when they still cannot speak.According to experts, it is a matter of survival."Male aggressiveness translates many times in the aggression to newborns; infanticide is a very real phenomenon in the animal kingdom.On the other hand, the aggressiveness of the females usually translates in the defense of the young, "says Eva Mishor about the body smell that blocks aggressiveness and men and triggers that of women.

Smell and reaction

The question is now knowing how these odors affect other humans that are not directly involved with the baby and how other components of adult body smell determine the social behavior of society.When scientists have previously research.In fact, they had shown that smelling sweat and other secretions such as tears have psychological effects that cause body reactions that include emotional states such as aggression.It is an obvious chemical reaction that involves several components in the body.

However, the new study has revealed the importance of the smell in social interactions beyond conscious perception."They are really surprising effects that underline that the fact that we are not aware does not mean that they do not affect us very strongly," summarizes the expert Jasper of Groot, from the Radboud University (Netherlands).

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