Managing inflammation through food and lifestyle

Inflammation: friend and foe

Inflammation is your body's natural defence system. When you cut your finger or catch a cold, acute inflammation rushes immune cells to the site to fight infection and begin repair. This short-term response is essential for survival.

The problem arises when inflammation becomes chronic — a low-grade, persistent state that lingers for weeks, months, or years. Chronic inflammation is now recognised as a key driver behind many of the most common health conditions in the UK, including heart disease, type 2 diabetes, certain cancers, and autoimmune conditions.

What causes chronic inflammation?

Several lifestyle factors contribute to sustained inflammation:

• Poor diet: High intake of ultra-processed foods, refined sugars, and industrial seed oils
• Excess body fat: Visceral fat (around the organs) is metabolically active and produces pro-inflammatory cytokines
• Sedentary behaviour: Lack of regular movement increases inflammatory markers
• Chronic stress: Prolonged cortisol elevation disrupts immune regulation
• Poor sleep: Consistently getting fewer than 7 hours raises C-reactive protein (CRP) levels
• Smoking and excessive alcohol: Both directly promote inflammatory pathways

Anti-inflammatory foods: what the evidence says

No single food is a cure, but dietary patterns rich in certain nutrients consistently reduce inflammatory markers in clinical trials.

The Mediterranean pattern

The most studied anti-inflammatory diet is the Mediterranean pattern. A landmark study (PREDIMED) involving over 7,400 participants found that those following a Mediterranean diet had significantly lower levels of CRP, IL-6, and other inflammatory markers.

Key components:

• Abundant vegetables, fruits, legumes, and wholegrains
• Olive oil as the primary fat source
• Regular fish consumption (especially oily fish)
• Moderate nuts and seeds
• Herbs and spices instead of salt
• Limited red meat and processed foods

Specific anti-inflammatory foods

Oily fish: Salmon, mackerel, sardines, and herring are rich in omega-3 fatty acids (EPA and DHA), which directly compete with pro-inflammatory omega-6 pathways. The NHS recommends at least two portions of fish per week, one of which should be oily.

Berries: Blueberries, strawberries, and blackberries are packed with anthocyanins — potent antioxidants that reduce oxidative stress and inflammatory signalling.

Leafy greens: Spinach, kale, and rocket contain high levels of vitamin K, folate, and polyphenols that support anti-inflammatory processes.

Turmeric: Curcumin, the active compound in turmeric, has been extensively studied for its anti-inflammatory properties. Pair it with black pepper (piperine) to improve absorption by up to 2,000%.

Extra virgin olive oil: Rich in oleocanthal, a compound with effects comparable to low-dose ibuprofen according to research published in Nature.

Nuts: Walnuts and almonds reduce CRP and IL-6 levels in multiple randomised controlled trials.

Green tea: Contains epigallocatechin gallate (EGCG), a catechin with strong anti-inflammatory and antioxidant effects.

Foods that promote inflammation

• Refined sugars: Trigger the release of inflammatory messengers called cytokines
• Trans fats: Found in some margarines, baked goods, and fried fast food
• Excessive alcohol: More than 14 units per week (UK guidelines) increases liver inflammation
• Processed meats: Sausages, bacon, and ham contain compounds that promote inflammatory responses
• Refined carbohydrates: White bread, pastries, and sugary cereals cause rapid blood sugar spikes that trigger inflammatory cascades

Lifestyle strategies that reduce inflammation

Regular exercise

Exercise is one of the most potent anti-inflammatory interventions available. A single session of moderate activity triggers the release of anti-inflammatory myokines from working muscles. Over time, regular exercise reduces baseline levels of CRP and IL-6.

What works: 150 minutes of moderate activity per week (brisk walking, cycling, swimming) or 75 minutes of vigorous activity. Resistance training also shows independent anti-inflammatory benefits.

Quality sleep

During deep sleep, your body produces anti-inflammatory cytokines and clears metabolic waste. Chronic sleep deprivation (under 7 hours) is associated with elevated CRP and increased risk of inflammatory diseases.

Practical tips:

• Keep a consistent sleep schedule, even at weekends
• Make your bedroom cool, dark, and quiet
• Avoid screens for 30-60 minutes before bed
• Limit caffeine after midday

Stress management

Chronic psychological stress keeps cortisol elevated, which eventually dysregulates the immune system and promotes inflammation. Evidence-based stress reduction techniques include:

• Regular physical activity
• Mindfulness meditation (even 10 minutes daily shows measurable benefits)
• Time in nature
• Social connection
• Adequate rest and recovery

Maintain a healthy weight

Excess visceral fat is essentially an inflammatory organ. Even a modest weight loss of 5-10% of body weight significantly reduces inflammatory markers. Focus on sustainable changes rather than crash diets.

A practical anti-inflammatory day

Here's what an anti-inflammatory day of eating might look like:

• Breakfast: Overnight oats with walnuts, blueberries, and a pinch of cinnamon
• Mid-morning: Green tea and a small handful of almonds
• Lunch: Grilled salmon salad with mixed leaves, avocado, cherry tomatoes, and olive oil dressing
• Afternoon: Apple slices with a tablespoon of nut butter
• Dinner: Chicken and vegetable stir-fry with turmeric, ginger, garlic, and brown rice
• Evening: Herbal tea (chamomile or ginger)

The bottom line

Chronic inflammation is a modifiable risk factor. You don't need expensive supplements or extreme diets — a consistent pattern of eating whole, nutrient-dense foods, staying active, sleeping well, and managing stress will do more for your inflammatory profile than any single intervention. Start with one change this week and build from there.