Why are autoimmune conditions more common in women?

Women are approximately 4 times more likely than men to develop autoimmune conditions — a disparity linked to several factors. Oestrogen upregulates immune activity and increases B-cell and T-cell reactivity, making the immune system more responsive but also more prone to self-reactivity. X chromosome genes contain many immune-regulatory genes, and having two X chromosomes means more copies of these genes. Hormonal transitions (puberty, pregnancy, menopause) frequently trigger or alter autoimmune disease activity. The microbiome also differs between sexes and influences immune regulation.

Can autoimmune conditions go into remission?

Yes — many autoimmune conditions have periods of remission where disease activity is minimal or undetectable, often achieved through a combination of medication and lifestyle management. Remission can be spontaneous, medication-induced, or sustained through lifestyle factors. For conditions like rheumatoid arthritis and IBD, biologics have dramatically increased remission rates. Lupus and MS can have long remission periods. Hashimoto's thyroiditis occasionally shows reduced antibody activity over time. Sustained remission requires ongoing management and monitoring even when symptoms are absent.

What is molecular mimicry in autoimmune disease?

Molecular mimicry is a proposed mechanism in which an immune response initially directed at a foreign pathogen (bacteria or virus) becomes misdirected at the body's own tissues because the pathogen's proteins share structural similarity with self-proteins. The immune system's antibodies or T-cells, having been primed against the pathogen, recognise and attack similar self-structures. This mechanism has been proposed in several autoimmune conditions including rheumatoid arthritis, multiple sclerosis, and certain thyroid conditions. COVID-19 infection has been associated with new-onset autoimmunity through similar mechanisms.

Does the gut microbiome influence autoimmune disease?

Increasingly, yes — this is one of the most active areas of immunology research. The gut microbiome directly trains the immune system, particularly in early life, influencing the balance between tolerance and reactivity. Gut permeability ("leaky gut") — allowing microbial products to enter the bloodstream — may trigger inappropriate immune activation in genetically susceptible individuals. Specific microbial compositions have been associated with higher rates of rheumatoid arthritis, lupus, MS, and IBD. Supporting gut microbiome diversity through diet, fibre, and (selectively) probiotics is an emerging therapeutic target in autoimmune management.

Immune & Inflammatory Healthelevated Risk

Autoimmune Conditions

A broad category of conditions in which the immune system mistakenly attacks the body's own tissues, causing chronic inflammation and organ or system damage.

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Reviewed by Dr. Ciara Magee · Integrative Midwifery26 March 2026Emerging evidence

Quick answer

Autoimmune conditions involve the immune system mistakenly attacking the body's own tissues, causing chronic inflammation across a range of organ systems. Integrative approaches focus on immune regulation, gut health, stress management, and anti-inflammatory lifestyle across all autoimmune presentations.

Do any of these feel familiar?

Autoimmune conditions share several overlapping experiences, despite their diverse manifestations
Many people describe profound fatigue that does not respond to rest — often described as one of the most disabling aspects of the experience
Pain, inflammation, and a sense of the body being in conflict with itself are common
Flares — periods of heightened disease activity — can come with little warning and require significant adjustment to plans and commitments
Many people describe a long diagnostic journey during which their symptoms were dismissed or attributed to stress or anxiety

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