How Oppression Shapes Systems, Psychology, and Health

Oppression is a system of social, political, and economic arrangements that systematically disadvantages certain groups while benefiting others. It is not a single act of cruelty but a web of reinforcing structures, from laws and policies to cultural norms and internalized beliefs, that limits people’s access to resources, safety, and self-determination. Understanding how oppression operates requires looking beyond individual prejudice to the institutional machinery that sustains inequality, and to the psychological effects it produces in both those who enforce it and those who endure it.

How Structure Becomes Oppression

When people hear the word “oppression,” they often picture dramatic acts of violence or overt bigotry. But the most persistent forms tend to be quieter and harder to see. Structural oppression is embedded in systems, laws, policies, and entrenched practices that produce widespread unfair treatment of specific groups. Examples include residential segregation, unfair lending practices, schools funded by local property taxes (which ensures that poorer neighborhoods get poorer schools), biased policing and sentencing, and voter suppression policies.

1PubMed. Systemic And Structural Racism: Definitions, Examples, Health Damages, And Approaches To Dismantling

What makes structural oppression so durable is that no single person has to intend harm for it to work. A lending algorithm that weighs zip codes and credit histories can reproduce racial wealth gaps without anyone writing a discriminatory rule. A zoning law passed decades ago can keep communities segregated long after its authors are gone. The system operates through accumulated institutional decisions that stack the deck, and it persists because dismantling any one piece still leaves the rest intact.

Structural racism and structural violence are deeply interrelated and threaten health, safety, and well-being across entire lifetimes for racialized minority groups.

2PubMed Central. Racism and Structural Violence: Interconnected Threats to Health Equity This interconnection matters because addressing one form of structural harm while ignoring the others leaves the broader architecture of disadvantage standing.

The Psychology of Dehumanization

Oppressive systems do not run on policy alone. They need a psychological infrastructure that makes mistreatment feel acceptable or even invisible to those carrying it out. One of the most studied mechanisms is dehumanization, the failure to spontaneously consider another person’s mind. Social neuroscience research has shown that participants normally activate a social-cognition neural network when thinking about other people, but parts of this network fail to engage for groups that are traditionally dehumanized, such as homeless individuals or people with drug addictions.

3PubMed Central. Dehumanized Perception: A Psychological Means to Facilitate Atrocities, Torture, and Genocide?

When participants were asked to imagine a day in the life of these targets, they were less likely to think about the contents of those people’s minds and rated them differently on dimensions of human perception. The brain regions involved went beyond the social-cognition network to include areas associated with disgust, attention, and cognitive control. In other words, the process of mentally excluding someone from the category of “fully human” is not just a cultural attitude. It registers at the neurological level and may help explain how ordinary people become capable of participating in or tolerating atrocities.

4PubMed Central. Dehumanized Perception: A Psychological Means to Facilitate Atrocities, Torture, and Genocide?

A related theoretical framework links oppression, dehumanization, and exploitation as three distinct but overlapping sources of human injustice. Each creates its own mechanisms for producing systematic inequality in people’s opportunities to meet basic human needs, resulting in wrongful deprivation and serious harm.

5Humanity & Society. A Needs-based Partial Theory of Human Injustice: Oppression, Dehumanization, Exploitation, and Systematic Inequality in Opportunities to Address Human Needs

How Oppression Gets Inside You

One of the more insidious features of oppression is that it does not stay external. People who are targeted by it can absorb its messages, a process researchers call internalized oppression. Internalized racism, for instance, involves accepting negative messaging or stereotypical misrepresentations that distort a person’s sense of their own worth and ability.

6PubMed Central. Internalized Racism and Mental Health: The Moderating Role of Collective Racial Self-Esteem

Internalized racial oppression describes the extent to which a member of a targeted group comes to accept their subordinate status as deserved, natural, or inevitable. This concept has been understudied and inconsistently defined across the literature, which itself reflects how difficult it is to measure something that people often cannot articulate or even recognize in themselves.

7Social Issues and Policy Review. Reframing Internalized Racial Oppression and Charting a way Forward

The practical effects are significant. When you grow up in a society that sends persistent signals about your group’s inferiority, those signals can shape self-concept, aspirations, interpersonal relationships, and willingness to challenge unfair treatment. Internalization does not mean agreement in any straightforward sense. It is more like background noise that colors perception, often below the level of conscious awareness. Someone can intellectually reject a stereotype while still feeling its pull on their self-confidence or their assumptions about peers.

Physical Health Consequences

Oppression is not just a social or political problem. It literally gets under the skin. The minority stress model explains how the chronic stress of being in a stigmatized group translates into measurable biological harm. A systematic review of research on sexual minority individuals found substantial evidence connecting experiences of prejudice, expectations of prejudice, concealment of identity, and internalized stigma to a range of biological outcomes including immune response, cardiovascular health, metabolic function, and hormonal changes.

8PubMed Central. The relationship between minority stress and biological outcomes: A systematic review

The pathways are not mysterious. Chronic stress elevates cortisol and inflammatory markers, disrupts sleep, and promotes behaviors like smoking or substance use as coping strategies. When stress comes not from a temporary crisis but from an ongoing social condition, these effects accumulate over years and decades. The result is that people in oppressed groups often show worse health outcomes than their social and economic circumstances alone would predict, because the stress of navigating prejudice itself carries a biological cost.

Environmental exposure adds another layer. Political, socioeconomic, and discriminatory forces have concentrated people of color in neighborhoods where they face disproportionate exposure to environmental hazards including ambient air pollution.

9PubMed Central. Residential Segregation and Racial/Ethnic Disparities in Ambient Air Pollution This is not a coincidence. It is a downstream effect of residential segregation and land-use decisions that treated certain communities as expendable. The health consequences of breathing polluted air, from asthma to cardiovascular disease, land disproportionately on people who were already disadvantaged by other dimensions of structural oppression.

Oppression Across Generations

One of the more striking findings in recent decades is that the effects of oppression can travel from one generation to the next through biological pathways. The theory of historical trauma argues that a collective trauma experienced by one generation can negatively affect the well-being of future generations. Researchers have proposed that this happens partly through epigenetic modifications, chemical changes to how genes are expressed rather than to the genes themselves, occurring in response to parental and grandparental trauma or stressor exposures.

10PubMed. Biological pathways for historical trauma to affect health: A conceptual model focusing on epigenetic modifications

Research has identified two broad categories of such effects. The first involves developmentally programmed changes resulting from a child’s early environmental exposures, including postnatal maternal care and in utero exposure to maternal stress during pregnancy. The second, more provocative category involves epigenetic changes associated with preconception trauma in parents that may affect reproductive cells and influence fetal development.

11PubMed Central. Intergenerational transmission of trauma effects: putative role of epigenetic mechanisms

This research is still in relatively early stages, and the evidence is stronger for some pathways than others. The first category, in which a stressed parent raises a child in a stressful environment with disrupted caregiving, is well supported by decades of developmental research. The second, in which trauma chemically marks reproductive cells in ways that affect grandchildren, has compelling animal evidence but remains harder to demonstrate clearly in humans. What both pathways share is the implication that historical oppression does not end when policies change. Its biological echoes can persist for generations.

State Repression as Organized Oppression

Governments are among the most powerful agents of oppression, and the tools they use range from the crude to the sophisticated. State repression encompasses harassment, surveillance, bans, arrests, torture, and mass killing by government agents or affiliates within their territorial jurisdiction.

12Annual Review of Political Science. State Repression and Political Order

Digital technology has transformed how authoritarian governments manage dissent. Research using variation in the rollout of digital surveillance systems across Chinese counties found that surveillance shifted how local governments controlled populations. With surveillance, governments increased public security expenditure and arrests of political activists but decreased public goods provision. In effect, the ability to identify radical opponents digitally allowed authorities to replace broad co-optation strategies, like providing public services to keep people content, with targeted repression of specific individuals.

13American Journal of Political Science. To Repress or to Co‐opt? Authoritarian Control in the Age of Digital Surveillance

This finding reveals something important about the economics of oppression. When surveillance is expensive and imprecise, regimes have an incentive to buy off the whole population with public goods. When surveillance is cheap and targeted, the calculus flips. The regime can afford to neglect its citizens broadly while surgically removing anyone who organizes against it. The technology does not create the impulse to oppress, but it dramatically changes what oppression looks like in practice.

Where Oppressions Overlap

People rarely experience just one form of oppression. Intersectionality, a framework that originated in legal scholarship, describes how overlapping systems of oppression shape a person’s experience in ways that cannot be understood by looking at any single category alone.

14PubMed Central. Translating the theory of intersectionality into quantitative and mixed methods for empirical gender transformative research on health A Black woman’s experience of discrimination is not simply “racism plus sexism” but something qualitatively different from what a white woman or a Black man might encounter.

In the global feminist context, intersectionality allows researchers to examine how race, class, ethnicity, and cultural norms combine to shape the experiences of women in ways that vary dramatically by geography and political context.

15Annual Methodological Archive Research Review. Intersectionality In Global Feminism: Cultural Perspectives On Gender-Based Discrimination A low-caste woman in rural India, a Latina immigrant working in agriculture in California, and a disabled woman in an urban European capital all face gender-based discrimination, but the specific forms it takes and the resources available to resist it differ enormously depending on which other systems of oppression are simultaneously at work.

The practical importance of intersectionality is that policies designed to address one axis of oppression can fail or even backfire if they ignore others. Anti-poverty programs that do not account for racial segregation may distribute resources in ways that reinforce existing hierarchies. Gender equality initiatives that center the experiences of middle-class white women may not reach the women whose need is greatest. Effective interventions require mapping the specific intersections that shape a given community’s experience.

How People Resist

Oppression provokes resistance, but resistance takes far more forms than most people recognize. Social psychological research has traditionally focused on collective action: organized, overt, material forms of resistance like protests and strikes. But people targeted by collective violence and oppression engage in many other strategies, including individual, covert, everyday, and psychological resistance. Nonviolent and violent resistance are not always mutually exclusive principles but instead result from dynamic and strategic choices people make given the violent contexts they face.

16PubMed. Resistance to collective victimization and oppression

When resistance does take collective form, research has identified several psychological factors that predict participation. A meta-analysis and systematic review of social movement studies found that the strongest predictor was positive attitudes or agreement with collective goals. Collective identity, collective efficacy (the belief that the group can succeed), and emotions like anger over perceived injustice were also strongly associated with participation. Disagreement with the belief that existing social arrangements are fair was linked to greater willingness to take action.

17PubMed Central. Social movements and collective behavior: an integration of meta-analysis and systematic review of social psychology studies

Cultural resilience practices represent another dimension of resistance that formal social science has been slow to study. Research with Mapuche communities in Chile, who face both structural racism and natural disasters, identified four themes of resilience drawn from Indigenous knowledge: spiritual connection to nature, ancestral systems of social organization and law, cultural revitalization, and outright resistance.

18PubMed. Engaging critical community resilience praxis: A qualitative study with Mapuche communities in Chile facing structural racism and disasters These categories highlight that for many communities, resistance to oppression is inseparable from the maintenance and renewal of cultural identity.

Critical Consciousness as a Counter-Force

If internalization is the process by which oppression gets inside people’s heads, critical consciousness is one framework for getting it back out. Developed by the Brazilian educator Paulo Freire, critical consciousness is an educational approach designed to help people recognize systemic inequity and take action against it. In Freire’s framing, if inequity is a poison, critical consciousness is the antidote: the capacity to see how interdependent systems and institutions maintain unfair outcomes, and to act on that understanding.

19PubMed Central. Critical Consciousness: A Critique and Critical Analysis of the Literature

Critical consciousness has three commonly discussed components: the ability to perceive social and political contradictions, the motivation to act against oppressive elements, and the reflective awareness of one’s own position within systems of power. In practice, programs that build critical consciousness often appear in community education, youth development, and public health settings. The evidence for their effectiveness varies, and the concept has been criticized for being inconsistently measured and sometimes applied in superficial ways. But as a theoretical frame, it captures something real: the difference between passively experiencing structural disadvantage and actively understanding and challenging it.

Dominance Hierarchies and Evolutionary Roots

A question that surfaces in popular discussions of oppression is whether hierarchy itself is natural, an argument sometimes used to justify existing power arrangements. Research in evolutionary anthropology offers a more nuanced picture. Dominance traits are found in virtually all primate species, and these dimensions reflect how adept an individual is at ascending within a social hierarchy.

20PubMed Central. Whither dominance? An enduring evolutionary legacy of primate sociality

But the existence of dominance in primates does not validate human oppression any more than the existence of aggression in animals validates assault. Human societies have developed an extraordinary range of social arrangements, from rigidly hierarchical to remarkably egalitarian. Many small-scale human societies actively suppress dominance through social mechanisms like ridicule, ostracism, and coalition-building against would-be tyrants. The evolutionary legacy of primate dominance is real, but it coexists with an equally deep legacy of cooperation, coalition formation, and norm enforcement against excessive power. The question is never whether hierarchy exists in nature. It is which forms of hierarchy a society chooses to construct, maintain, or dismantle, and whose interests those choices serve.

Algorithmic Systems and New Frontiers

Oppression adapts to new technologies. As decision-making processes in lending, hiring, policing, and healthcare increasingly rely on algorithmic systems, the biases embedded in historical data can be reproduced and amplified at scale. An algorithm trained on past hiring decisions will learn whatever biases those decisions contained. A predictive policing system fed data from decades of racially biased enforcement will direct officers to the same over-policed neighborhoods.

Scholars drawing on Black feminist thought have argued that algorithmic oppression should be understood not as a technical glitch but as a continuation of longer histories of scientific and technological harm against marginalized communities. The concepts of invisibility and hypervisibility apply: some groups are rendered invisible by systems that were not designed with them in mind (facial recognition that fails on darker skin, medical algorithms that underestimate Black patients’ pain), while others are made hypervisible as targets of surveillance and control.

The challenge with algorithmic oppression is that it can be genuinely difficult to identify and contest. The decisions feel objective because they emerge from mathematical models rather than from a person’s stated prejudice. This gives them a veneer of neutrality that makes them harder to challenge politically and legally. When a loan officer denies your application, you can ask why. When a black-box algorithm scores you as high-risk, the answer may be genuinely opaque, even to the company that deployed it. Transparency, accountability, and the inclusion of affected communities in design processes are the emerging frontiers of resistance in this domain, though progress is uneven and the technology continues to outpace governance.