Scientists: A Person's Political Views Can Be Determined By Their Scent
2- 7.11.2026, 9:16
- 2,772
Our brains are capable of processing much more information through our sense of smell than we tend to think.
People are capable of unconsciously perceiving the emotional state of others through chemical signals released by their bodies. Moreover, specific scent characteristics may even be linked to political preferences and certain diseases. This is reported by Indian Defence Review, citing scientific research.
The human body releases chemical molecules through sweat, tears, and breath. Among other things, these include so-called emotional chemosignals, which can convey information about a person’s emotional state. The brain can react to them even if the person is not consciously aware of any specific scent.
Pamela Dalton, a researcher at the Monell Chemical Senses Center in Philadelphia , explains that this type of communication occurs primarily unconsciously: chemical signals can influence the mood, perceptions, and physical reactions of those around us.
Interesting results were also obtained when studying the connection between the sense of smell and political views. In particular, a 2014 study published in the *American Journal of Political Science* showed that participants preferred the body odors of people whose political views were similar to their own. However, they did not see the people whose odors they were evaluating.
Another area of research concerns the detection of diseases. The author mentions Joy Milne, who has an extremely sensitive sense of smell and is able to recognize odors associated with various diseases. In 2019, during an experiment involving T-shirts worn by people with Parkinson’s disease and healthy participants, she correctly identified nearly all of the samples. It is particularly noteworthy that one of the T-shirts she mistakenly classified as belonging to a patient later belonged to a person who was subsequently diagnosed with Parkinson’s disease.
According to Yale University sociologist Nicholas Christakis, such mechanisms may have had evolutionary significance, helping people warn one another of danger.
“It’s not hard to imagine why it would be beneficial for us, as social animals, to signal to our peers, ‘I’m scared,’” the scientist notes.
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