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Longevity

Chronic Inflammation and Ageing: What 'Inflammaging' Means for You

Inflammation isn't the enemy — it's how your body heals. The problem is when it never switches off. Here's how chronic, low-grade inflammation drives ageing and disease, and what genuinely calms it.

2 Mar 2026 · 7 min read

"Inflammation" has become a health-world villain — blamed for everything, fought with every supplement and superfood going. But here's the thing the headlines miss: inflammation isn't the enemy. It's one of the most important things your body does. The real story is subtler, more interesting, and far more useful — and it sits right at the heart of how we age. This is a clear guide to what inflammation actually is, why the chronic kind matters so much, and what genuinely calms it.

What inflammation actually is

Inflammation is your immune system responding to a problem — an injury, an infection, an irritant. When you sprain an ankle or fight off a cold, the redness, swelling, heat and soreness you feel is inflammation doing its job: rushing immune cells and repair signals to where they're needed. This is acute inflammation — fast, targeted, and, crucially, self-limiting. It ramps up, does its work, and then switches off. Without it, you couldn't heal a cut or clear an infection.

So the goal is never to "eliminate inflammation." A body with no inflammatory response would be in serious trouble. The goal is balance — inflammation that shows up when needed and, just as importantly, resolves when the job is done.

When inflammation doesn't switch off

The trouble begins when that off-switch fails. Chronic inflammation is a low- grade inflammatory state that persists for months or years — quietly active in the background even when there's no injury or infection to fight 1.

Unlike a swollen ankle, you usually can't feel it. There's no obvious redness or pain to point to. But underneath, immune signalling stays switched on, and over long periods that persistent, low-level activity can contribute to tissue damage rather than repair. It's the difference between a fire that flares and then dies down, and one that smoulders endlessly — never dramatic, but slowly damaging.

This persistent, unresolved inflammation is increasingly recognised as a common thread running through a remarkable range of long-term conditions 2 — which is exactly why it has become such a focus of modern medicine.

Here is where it gets genuinely interesting for anyone who cares about ageing well. Scientists have coined a term — inflammaging — for the gradual rise in chronic, low-grade inflammation that tends to accompany getting older 3.

The idea is that as we age, the immune system's careful balance drifts: the body becomes a little more inflamed and a little less able to resolve that inflammation. Researchers increasingly view this not just as a side-effect of ageing but as one of its underlying drivers — a process linked to many of the conditions we associate with later life. It's an active, fast-moving area of research, and an important one: it reframes inflammation from a symptom to manage into a process worth understanding and influencing across the whole lifespan 23.

This is also why inflammation connects so many topics. It is the mechanism behind autoimmune disease, where the immune system attacks the body's own tissue, and it's part of why so much regenerative research focuses on calming the immune environment rather than just replacing tissue — a theme we explore in our guide to regenerative medicine.

What drives chronic inflammation?

Chronic inflammation rarely has a single cause. It builds from a combination of everyday factors — which is encouraging, because many of them are within your influence 1:

  • Excess body fat, particularly around the abdomen, which is metabolically active and releases inflammatory signals
  • A sedentary lifestyle — too little physical activity
  • Poor or insufficient sleep, which disrupts immune regulation
  • Chronic psychological stress, which keeps stress and immune systems activated
  • Diet patterns high in ultra-processed foods, refined sugar and excess alcohol
  • Smoking, a powerful and direct driver of inflammation

Most of these overlap and reinforce one another — poor sleep makes stress harder to manage, which affects eating and activity, and so on. The flip side is that improving one often helps the others.

Can you measure it?

To an extent, yes. Doctors can measure markers of inflammation in the blood — the best known is C-reactive protein (CRP), and a high-sensitivity version (hs-CRP) is sometimes used to gauge low-grade inflammation. These markers are useful pieces of a picture rather than a single verdict, and they're interpreted in context alongside your history and symptoms — not as a stand-alone "inflammation score."

What genuinely lowers it

This is the hopeful part, and it's worth stating plainly: the most effective ways to reduce chronic inflammation are not exotic. They're the same unglamorous foundations that support health generally — which is exactly why they work 1.

  • Move regularly. Physical activity is one of the most consistently anti-inflammatory things you can do — regular exercise is associated with lower levels of inflammatory markers and wide-ranging benefits across the body 4. It does not need to be extreme; consistency matters more than intensity.
  • Protect your sleep. Good, sufficient sleep is when much immune regulation happens; chronically short or poor sleep pushes inflammation up.
  • Manage weight, especially around the middle. Reducing excess abdominal fat lowers one of the body's significant sources of inflammatory signalling.
  • Eat mostly whole foods. Diets rich in vegetables, fruit, whole grains, legumes, fish and healthy fats — and lighter on ultra-processed food, refined sugar and excess alcohol — are associated with lower inflammation.
  • Address chronic stress. Sustained stress keeps the system activated; practices that genuinely lower it help calm the inflammatory response too.
  • Don't smoke. Stopping removes one of the most direct inflammatory drivers.

None of these is a quick fix, and none is a miracle. But together, consistently, they are the most proven anti-inflammatory "treatment" there is.

What we see at the clinic

People often arrive hoping for a single anti-inflammatory infusion or supplement that will switch the whole thing off. We understand the appeal — but we'd rather be honest: there is no magic anti-inflammatory bullet, and anyone selling one should be treated with caution. What genuinely moves the needle is the foundations, applied consistently, and tailored to the individual. Where it makes sense, measuring markers like hs-CRP can help track progress and personalise the plan — but the plan itself almost always starts with the basics done well, not around them.

Common questions

Is all inflammation bad? No — acute, short-term inflammation is essential for healing and fighting infection. The concern is chronic, low-grade inflammation that doesn't resolve.

Can I feel chronic inflammation? Usually not directly — that's part of what makes it important to understand. It tends to work quietly in the background rather than causing obvious symptoms.

Do anti-inflammatory diets and supplements work? A whole-food dietary pattern genuinely helps. Individual "anti-inflammatory" supplements are mostly far less impressive than their marketing — the dietary pattern matters more than any single product.

What's the single best thing I can do? There isn't one — but if forced to choose, regular physical activity is among the most consistently anti-inflammatory habits, and it improves sleep, weight and stress too.

Key takeaway

Inflammation is not the villain — it's how your body heals, and you need it. The real issue is chronic, low-grade inflammation that never switches off, which research increasingly links to ageing itself and to many long-term conditions. The genuinely good news is how much influence you have over it: the most effective anti-inflammatory measures are the everyday foundations — moving, sleeping, managing weight and stress, and eating well — done consistently. There's no miracle cure, but there is a great deal you can do.

Sources

  1. StatPearls / NCBI Bookshelf — Chronic Inflammation
  2. Furman D. et al., Nature Medicine (2019) — Chronic inflammation in the etiology of disease across the life span
  3. Inflamm-aging as a diverse and context-dependent process (Ageing Research Reviews, 2026)
  4. The multifaceted benefits of physical exercise: a comprehensive review (Frontiers in Nutrition, 2025)

For general information and education only — not medical advice. Read our disclaimer.