Feeling overwhelmed by conflicting information on autoimmune diseases? You’re not alone. With over 100 types of autoimmune conditions—from rheumatoid arthritis and lupus to Hashimoto’s and celiac disease—the question of “what causes autoimmune disease” is more urgent than ever.[i] While genetics play a role, research shows that environmental triggers, lifestyle factors, nutrient imbalances, and chronic inflammation are key causes of autoimmune onset and flare-ups.
How about reversing autoimmune diseases? The good news? Emerging science now provides actionable steps for unpacking autoimmune disease and achieving symptom relief—by restoring immune balance, following anti-inflammatory nutrition, and addressing your unique triggers.
My mission as a pharmacist and health researcher is to translate this complex, shifting science into clear, actionable strategies you can apply, while giving you a trusted resource hub for diving deeper at your own pace.
1. Understanding Autoimmunity: From Genetics to the “Exposome”
Autoimmune diseases develop when the immune system mistakes your own tissues for foreign invaders, unleashing chronic inflammation and damage. More than 100 such diseases exist, including rheumatoid arthritis, lupus, Hashimoto’s, celiac, and many more.[ii] Heredity sets the stage, but it’s rarely the decisive factor—environmental triggers (the “exposome”) are the real spark. The exposome is an individual’s lifetime exposure to external and internal environmentally related factors.[iii] It is said for SAID conditions (e.g. systemic lupus erythematosus (SLE), systemic sclerosis (SSc), rheumatoid arthritis (RA), Sjögren’s syndrome (SjS)), it can take 2-20 years from symptoms presentation and diagnosis. The earlier autoimmune disease is picked up, the higher chance of survival and improvement of quality of life.[iv]
Key research-backed contributing factors:
- Genes: They load the gun; environment pulls the trigger.
- Environmental triggers: Infections, pollutants, toxins, nutrient deficiencies, and altered gut health are all linked to autoimmune onset.[v]
- Lifestyle factors: Stress, sleep disruption, diet, and chronic low-grade inflammation have emerged as prime drivers.[vi]
Up to 25% of those diagnosed with one autoimmune disease will develop another, reflecting a deeper breakdown in immune balance.[vii]
Remember: the Best Time to Do Something could be 10 years ago, but the next best time to Do Something is NOW.
2. The Anti-Inflammatory Diet: What Science Shows (and Doesn’t)
Nutrition isn’t a cure, but it’s an essential piece of the puzzle. Anti-inflammatory diets, prioritising whole foods, healthy fats, and plant diversity, are repeatedly linked to improved outcomes in both prevention and management of autoimmune symptoms.[viii]
Evidence-Based Dietary Strategies
- Increase: Omega-3-rich fish, olive oil, colourful vegetables (660g)[ix], berries, nuts, herbs, and antioxidant-rich beverages.[x]
- Reduce: Processed foods, added sugars, industrial seed oils, and known triggers (like gluten or dairy if sensitive)
- A wide plant variety builds a more resilient gut microbiome.[xi]
- Elimination and reintroduction (two weeks clean, four-day test per food) is the gold standard to personalise dietary triggers and supports tolerance building.
Key Nutrients:
- Vitamin D, zinc, and specific antioxidants may play immune-balancing roles, with both deficiency and excess posing risks. Understand your bio-individual gaps by food tracking via Cronometer or blood tests, with DNA analysis as a bonus to understand how to overcome genetic variants in nutrient absorption, distribution and detoxification.
- Certain compounds (e.g., curcumin) show anti-inflammatory effects helpful in RA and IBD, but more robust studies are needed.
See practical details, subscribe and get my Low tox shopping list, or purchase my curated, step-by-step Anti-Inflammatory Guide (only $39.99). It includes 2 weeks’ worth of meal plans and delicious recipes with tips and strategies to reintroduce foods so you can eat diverse food groups that serve your bio individual, unique self.
3. Precision Supplementation: The Role of DNA Analysis
Supplement confusion is real: what helps one person may do nothing (or harm) another. Precision health is now possible through advances in biomarker and genetic testing:
DNA-guided protocols can shed light on your need for specific forms or doses of B12, vitamin D, folate, and omega-3s.
Emerging research supports tailoring supplement choices to your genetic makeup and biomarkers, moving away from one-size-fits-all dosing.
“Personalised medicine” in autoimmune disease is not just a future vision—it’s starting to shape how diets, supplements, and even future immune ‘vaccines’ will be tailored to individual needs.
Dive deeper on supplement research and whether DNA analysis is for you in my article: The Power of DNA testing
4. Stress: The Underestimated Driver
In 2020, the Australian Bureau of Statistics (ABS) estimated that more than half of Australians (59%) experienced at least one personal stressor in the last 12 months.
Researchers agree: stress alters immune regulation through well-recognised hormone feedback loops (HPA axis and autonomic nervous system), shifting cytokines toward more inflammation and weakening carefully regulated immune tolerance.[xii],[xiii]
What Stress Does to Your Body
- Short-term stress: temporarily boosts certain immune functions.
- Chronic stress: impairs T and B cell function, triggers chronic inflammation promoting both autoimmunity and higher infection risk.[xiv]
- Lower vagal nerve tone (as measured by heart rate variability) is associated with higher autoimmune activity.[xv]
- Mind-body strategies, including cognitive behavioural therapy, mindfulness, breath work, and movement (like yoga), activities that spark joy and resonates the most with the individual can regulate stress sustainably.
For actionable stress regulation tips and lived experience stories, read my article on Stress management or listen to my podcast interview with Dr Michelle Woolhouse on Uncovering the Wonder Within: Conquering Stress, Burnout & Finding Joy.
5. Sleep and Recovery: Your Free Medicine
Insufficient sleep ramps up inflammation, impairs repair, and disrupts hormone rhythms critical to immune function. Restoration begins with eight hours of quality sleep—ideally routine in timing and protected from blue light, EMFs, and interrupting substances (alcohol, caffeine, sugar).
- Research highlights: Poor sleep both precedes and worsens autoimmune flare-ups; recovery supports lower inflammation, better energy, and mental clarity153.
Begin your personalised sleep upgrade by reading my article on Slumber Science: How Sleep Drives Your Health & Detoxifies Your Body.
6. Minimising Everyday Toxins
Environmental pollutants—including agricultural chemicals, heavy metals —are implicated as triggers or accelerants for autoimmune processes23. Studies link:
- Pesticide exposure to higher rates of RA in male farmers.
- Heavy metals (methylmercury, even at currently acceptable exposures) to formation of autoimmune antibodies in women of reproductive age.
- Endocrine disruptors to greater immune dysfunction and hormone imbalance, particularly in susceptible individuals2.
Detox is not all or nothing. Even small swaps add up: using cleaner cosmetics, filtering water, choosing organic when possible, and scanning product ingredients with apps can reduce your body’s chemical burden.
Practical low-tox strategies? Explore Minimising Toxins Resources and subscribe to my newsletter and receive a copy of The Low Tox Shopping List.
7. The “Healing Pyramid”: Layered, Not Linear
There’s no magic bullet. But when diet, nutrient repletion, sleep, stress management, movement, and toxin minimisation are addressed together, improvements often surpass what drug-only care delivers. Immune-modulating supplements and prescription interventions can add benefit, but they work best when the foundations are strong.
Practical Pyramid Approach
| Foundation | Core Interventions | Supplementary Steps |
| Nutrition | Personalised anti-inflammatory eating | Precision supplements |
| Environment | Minimise chemical exposures | DNA/genetic testing for tailoring care |
| Sleep | 8+ hours, safe dark/cool environment, protect circadian rhythms | Nutraceuticals/targeted medications |
| Stress | Mindfulness, breathwork, faith, movement | Community/social support |
| Movement | Daily moderate movement; avoid overtraining in flares | Technology/app tools for monitoring |
8. How to Turn Research Into Results (Without the Overwhelm)
You deserve clarity, not confusion. My professional focus is to distil evidence, bust myths, and give you bite-size, stepwise strategies so you’re never alone scrambling through Dr. Google.
- Read time-rich guides and deep dives on each of these areas—including recipes, shopping lists, practical examples of what works (and what doesn’t).
- Anti-Inflammatory Guide & Recipes ($39.99)
Ready to kickstart your journey of health & wellness:
- Download the Low Tox Shopping List when you subscribe to my newsletter.
- Explore linked resources (see above) for deep dives on supplements, toxin minimisation, sleep, and stress regulation.
- Reach out for personalised guidance—a single consult can clarify your path, or join our online community for lived experience support. Book a 20 minutes personalised session here
- Share these research-backed resources with friends, colleagues, or loved ones with autoimmune issues—evidence has more impact in community.
References:
[i] National Institute of Environmental Health Sciences, Autoimmune Diseases https://www.niehs.nih.gov/health/topics/conditions/autoimmune (accessed 18/7/25)
[ii] Autoimmune Disease List. Available online:
https://www.autoimmuneinstitute.org/resources/autoimmune-disease-list/ (accessed 16/7/25).
[iii] Vermeulen, R., Schymanski, E. L., Barabási, A. L., & Miller, G. W. (2020). The exposome and health: Where chemistry meets biology. Science (New York, N.Y.), 367(6476), 392–396. https://doi.org/10.1126/science.aay3164
[iv] Fritzler, M. J., Martinez-Prat, L., Choi, M. Y., & Mahler, M. (2018). The Utilization of Autoantibodies in Approaches to Precision Health. Frontiers in immunology, 9, 2682. https://doi.org/10.3389/fimmu.2018.02682
[v] Vojdani, A., & Vojdani, E. (2021). The Role of Exposomes in the Pathophysiology of Autoimmune Diseases I: Toxic Chemicals and Food. Pathophysiology : the official journal of the International Society for Pathophysiology, 28(4), 513–543. https://doi.org/10.3390/pathophysiology28040034
[vi] Zielinski, M. R., Systrom, D. M., & Rose, N. R. (2019). Fatigue, Sleep, and Autoimmune and Related Disorders. Frontiers in immunology, 10, 1827. https://doi.org/10.3389/fimmu.2019.01827
[vii] Cojocaru, M., Cojocaru, I. M., & Silosi, I. (2010). Multiple autoimmune syndrome. Maedica, 5(2), 132–134. https://pmc.ncbi.nlm.nih.gov/articles/PMC3150011/
[viii] Kostoglou-Athanassiou, I., & Athanassiou, P. (2024). Editorial: Anti-inflammatory diet in autoimmune diseases. Frontiers in nutrition, 11, 1497058. https://doi.org/10.3389/fnut.2024.1497058
[ix] Hermsdorff, H. H., Zulet, M. A., Puchau, B., & Martínez, J. A. (2010). Fruit and vegetable consumption and proinflammatory gene expression from peripheral blood mononuclear cells in young adults: a translational study. Nutrition & metabolism, 7, 42. https://doi.org/10.1186/1743-7075-7-42
[x] Yu, X., Pu, H., & Voss, M. (2024). Overview of anti-inflammatory diets and their promising effects on non-communicable diseases. The British journal of nutrition, 132(7), 898–918. https://doi.org/10.1017/S0007114524001405
[xi] McDonald, D., Hyde, E., Debelius, J. W., Morton, J. T., Gonzalez, A., Ackermann, G., Aksenov, A. A., Behsaz, B., Brennan, C., Chen, Y., DeRight Goldasich, L., Dorrestein, P. C., Dunn, R. R., Fahimipour, A. K., Gaffney, J., Gilbert, J. A., Gogul, G., Green, J. L., Hugenholtz, P., Humphrey, G., … Knight, R. (2018). American Gut: an Open Platform for Citizen Science Microbiome Research. mSystems, 3(3), e00031-18. https://doi.org/10.1128/mSystems.00031-18
[xii] Cohen, S., Gianaros, P. J., & Manuck, S. B. (2016). A Stage Model of Stress and Disease. Perspectives on psychological science : a journal of the Association for Psychological Science, 11(4), 456–463. https://doi.org/10.1177/1745691616646305
[xiii] Seiler, A., Fagundes, C.P., Christian, L.M. (2020). The Impact of Everyday Stressors on the Immune System and Health. In: Choukèr, A. (eds) Stress Challenges and Immunity in Space. Springer, Cham. https://doi.org/10.1007/978-3-030-16996-1_6
[xiv] Alotiby A. (2024). Immunology of Stress: A Review Article. Journal of clinical medicine, 13(21), 6394. https://doi.org/10.3390/jcm13216394
[xv] Bellocchi, C., Carandina, A., Montinaro, B., Targetti, E., Furlan, L., Rodrigues, G. D., Tobaldini, E., & Montano, N. (2022). The Interplay between Autonomic Nervous System and Inflammation across Systemic Autoimmune Diseases. International journal of molecular sciences, 23(5), 2449. https://doi.org/10.3390/ijms23052449
