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How Discrimination and Insecurity Affect the Nervous System

Your body is responding normally to abnormal strain — and understanding the mechanism is the beginning of de-shaming it.

Dr. Leyla Hassan/ June 28, 2026 /7 min read /Racism-Related Stress
How Discrimination and Insecurity Affect the Nervous System

Look at the phone on the kitchen table. It is never quite off. It gets checked on waking, on the tram, in the toilet at work, last thing at night — not from boredom, but because something might have arrived: the landlord’s answer, a letter about the residence permit (Aufenthaltstitel), the shift app that gives or takes next week’s hours, the bank app and what is left in it. Next to the phone, in many homes, sits a pile of envelopes that takes courage to open.

If your days are organized around objects like these, your body has noticed — long before you decided anything. This article explains what that constant readiness does to a nervous system, what research actually knows about it, what remains uncertain, and what follows. The short version up front: what you’re feeling makes sense. It is not weakness, oversensitivity, or failure to integrate, cope, or relax.

The alarm system, and what it was built for

Your body carries an ancient threat-response system. When something might be dangerous, it releases stress hormones, raises your heart rate, sharpens attention, tenses muscle, postpones digestion and rest. This is healthy. It is what gets you across a busy street.

The system was built for short emergencies with endings. Threat appears, body mobilizes, threat passes, body stands down. The stand-down is the crucial part: recovery is when sleep deepens, digestion resumes and the system recalibrates.

Now run that machinery against a different kind of threat: a slur on the platform, or the memory of one, every time you wait for a train. An application season in which your name changes how your file is read. A contract that is fixed-term (befristet) again. A permit with an expiry date that sits under everything else. None of these are short, and none of them reliably end. The alarm has no all-clear to wait for — so it stops standing down. Vigilance becomes the resting state. A smoke alarm that has learned the toast always burns eventually stops distinguishing toast from fire.

That is hypervigilance, from the inside: scanning rooms, replaying conversations, bracing at official envelopes, sleeping shallowly so nothing arrives unobserved. It is not irrational. It is a system doing exactly what it was built to do, in conditions it was never built for.

What staying braced costs over time

Researchers have a name for the cumulative wear of a stress system that rarely gets to rest: allostatic load. Glossed plainly: the body can absorb the cost of mobilizing for emergencies, but mobilization was priced as an exception. Run it as a subscription and the costs compound — in sleep that doesn’t restore, blood pressure that settles higher, digestion and immune function disturbed, concentration and memory taxed by a mind doing permanent background threat-scanning, and mood worn down toward exhaustion, irritability, anxiety or depression. The body keeps the meter running even when nothing happens that day — because might happen is what the system responds to.

A related research concept is weathering — the proposal, developed in studies of communities living under chronic discrimination, that this kind of sustained strain ages bodies faster: that health erodes earlier not because of genes or habits alone, but because of what those bodies have had to absorb, year over year.

What research actually knows

Stated carefully, because honesty is part of respect:

  • The link between discrimination and health is one of the most consistent findings in this field. Across many countries and methods, people who report more experiences of discrimination also show, on average, more sleep problems, anxiety, depressive symptoms, higher blood pressure and worse self-rated health. The association shows up too often, in too many designs, to be an artifact.
  • The same pattern holds for chronic financial and residence insecurity. Long-running household panel studies — in Germany, the SOEP is the major example — let researchers follow the same people through job loss, debt and insecure circumstances, and they find lasting marks on mental health, beyond what a bad month would explain. Insecurity about legal status adds a layer with few equivalents: when the right to stay is uncertain, every other plan stands on that uncertainty.
  • Anticipation alone carries cost. People show measurable stress responses not only during hostile encounters but when expecting that one might occur. This matters because it explains something many readers know: you can be exhausted by discrimination on a day nobody said anything.

What is uncertain — and we’d rather tell you than smooth it over

  • Exact sizes and mechanisms are hard to pin down. Discrimination, low income, insecure housing, hard physical work and poor access to healthcare travel together, and untangling each thread’s separate contribution is genuinely difficult. Researchers find the overall pattern robust; the precise accounting is contested.
  • Most evidence is correlational. For obvious ethical reasons, no one assigns people to years of discrimination. Researchers triangulate — long panels, natural experiments, lab studies of short-term responses — and the triangulation points firmly in one direction, but it is not the same as experimental proof.
  • None of it predicts an individual. These are averages across populations. Two people in similar conditions can carry them very differently, for reasons including support, history and plain luck. Research describes the weather, not what happens to your particular roof.

Uncertainty about details, note, is not uncertainty about the headline. That strain of this kind harms health is about as well-supported as findings in this area get.

Why “responding normally to abnormal strain” changes things

Shame needs a story in which something is wrong with you — too sensitive, too weak, unable to cope like others apparently do. The mechanism dismantles that story. If a healthy alarm system, working as designed, produces exhaustion and vigilance under unrelenting conditions, then your symptoms are not a malfunction. They are evidence of how long you have been carrying something heavy. People sometimes cry with relief when this lands — often the first time anyone has located the problem outside their character.

It also redraws the line of responsibility. You did not cause discrimination, the housing market or the residence system, and no breathing exercise will repeal them. Naming that is not defeatism; it is accuracy, and accuracy is load-bearing.

What follows: both the tools and the conditions

Here is where we refuse a false choice. One voice says conditions are the problem, so personal coping is naive. Another sells regulation techniques as if your circumstances were a mindset. Both are half-truths, and the half-truths blame you in different ways.

The honest position is both/and. Regulation tools — slow breathing, movement, daylight, protected sleep routines, time with people around whom your system stands down — genuinely help, not by fixing conditions but by giving the alarm system real recovery windows, which is what it lacks. Use them without shame and without illusions. And conditions genuinely matter: every piece of insecurity that gets resolved or shared is load actually removed, which no technique can substitute for. Practical anchors:

  • For the strain itself: a psychotherapeutische Sprechstunde (an initial psychotherapy consultation, bookable without a referral — 116 117 can point you there) is a legitimate response to chronic strain; you do not need to be “ill enough.” Waiting lists for ongoing therapy are long — a system failure, not your verdict. In acute distress, Telefonseelsorge listens free and anonymously, day and night: 0800 111 0 111 or 0800 111 0 222.
  • For the causes: responding to discrimination itself — documenting, deciding about complaints, weighing action — is its own craft, and it is Equal Voices Initiative’s, not ours; their guides start from the incident the way we start from the body. If the strain runs through money — bills that can’t all be paid, debt, benefit applications — the Economic Security & Social Protection Centre covers those mechanics step by step, and getting a payment plan in writing can quiet a nervous system more than a month of breathing exercises.

If you take one sentence from this page, take this one: the tiredness, scanning, and shallow sleep are not who you are. They are what you have been carrying. Bodies that get real safety, in pieces, can stand down. Not instantly, and rarely completely. Work on both ends: the tools that help your body recover, and the conditions that need to become less alarming.

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