Your Uber driver really needs a shower. A co-worker should change his socks. You wonder whether your gym’s management might have a word with a particularly smelly regular.

The level of disgust you feel at these olfactory offenders could reveal more about your social and political views than you know, says new research.

Research published this week found that the degree of disgust that an individual feels when confronted by the smell of body odors rather accurately predicts his or her inclinations toward authoritarianism.

The research found that the higher the level of disgust a person evinces upon detecting these odors, the more likely he or she is to favor a rigid social order – with designated roles for different genders and ethnic groups – and to support punitive responses to social, legal and moral transgressions.

In fact, the study found, in a sample of about 400 online volunteers in the United States, those measuring high on body-odor disgust were measurably more likely to hold positive views toward then-presidential candidate Donald Trump.

Conducted in Sweden, the new research was published this week in the British journal Royal Society Open Science.

Our sense of smell is one of our most primitive defenses against the dangers of spoiled food, contagious disease and hazards that might lead to death.

But as humans began to live in social groups, that disgust appears to have proved protective in new and different ways. Dislike of foreign people and their unfamiliar social practices likely protected some early humans from hostile invaders and from pathogens against which they had no immunity.

And in modern political societies, it makes sense that people who have a preference for order, tradition and familiar people would choose policies and leaders that would tightly control society and harshly punish rule-breakers.

People who are more tolerant of chaos, novelty and even occasional danger or subversion would be drawn to less authoritarian government.