Disgust Sensitivity and Political Beliefs: What Research Reveals

Do you ever wonder why political arguments feel so visceral? You hear someone express an opinion and a physical wave of revulsion washes over you. That feeling is real. It’s disgust. Science shows this primal emotion may play a hidden role in how we vote.

We know disgust from rotten food. It makes us recoil to avoid infection. But psychologists see this same reaction in politics. It shows up when people talk about immigration or social issues. The link between feeling disgusted and holding conservative views is one of the most debated ideas in political psychology.

Researchers use a tool called the Three-Domain Disgust Scale. It breaks disgust into three types:

• Pathogen disgust – about germs and sickness
• Sexual disgust – relates to certain behaviors
• Moral disgust – involves betrayal or cruelty

Studies often find people who score higher on these scales especially for sexual disgust tend to be more socially conservative.

But the story is not simple. A 2020 study asked if disgust is a “conservative” emotion. It found liberals and conservatives get disgusted by different things. Conservatives reported stronger disgust toward sexual behaviors and drug use. Liberals felt more disgust toward animal abuse and environmental pollution. When asked how easily disgusted they were in general, the political difference vanished.

This raises a big question. Does a sensitive disgust radar make you conservative or do your conservative beliefs teach you what to find disgusting? The evidence points both ways.

Some research looked at our bodies not just our surveys. Scientists measure internal awareness or “interoception.” This is your sense of heartbeat or hunger. A recent study of 632 U.S. adults explored this. It found that for moral disgust the link to conservatism only existed among people with lower bodily awareness. They might not fully understand their own physical signals.

Psychologist Manos Tsakiris who co-authored that study has a theory. “A bodily signal doesn’t arrive with a label attached,” he told DW. “We have to notice it and make sense of it.” He suggests people unsure of their feelings could be more open to political messaging that labels those feelings for them. A leader might say “I know what you’re feeling. You’re feeling disgusted about this.” That can turn a personal moral judgment into a collective political one.

Other experts urge caution. Psychologist Yoel Inbar questions how strong the disgust-politics link really is. “The relationship while it’s consistent, is quite small,” he said. He notes that questions about sexual disgust might just be measuring conservative sexual values. “It’s almost asking people the same thing twice.” His own research prefers to focus on pathogen disgust the fear of germs. That link to politics is far less clear.

We see the language of disgust in campaigns. During his 2024 run, Donald Trump described immigrants as “poisoning the blood of our country.” He has also called himself a “germaphobe.” This rhetoric taps directly into the psychology of contamination. It frames a political issue as a physical threat.

So what can you do with this knowledge? Tsakiris advocates for “critical feeling.” Question your gut reactions. When a social media post makes you feel disgust pause. Ask if the feeling is about the facts or if it’s being manipulated. Talk about your feelings with people who see things differently. Listen to their perspectives.

Disgust is a powerful ancient emotion. It protected our ancestors from disease. Now it might be shaping our democracies. It is not the only factor in our politics. But understanding its pull is a step toward more mindful citizenship. Your vote is complex. Recognizing the role of raw emotion helps you see the whole picture.