Oct 22, 2024 · Experts don’t know for certain what causes autoimmune diseases. We know your immune system mistakenly damaging your body instead of protecting it causes the symptoms of an …

For the most part, we still do not know what causes an autoimmune disease. That is, we do not know the specific factors that initiate the process (or processes) ultimately leading to an autoimmune …

Oct 21, 2025 · Autoimmune diseases result when your immune system is overactive, causing it to attack and damage your body's own tissues. Normally, your immune system creates proteins called …

1 day ago · Discover key autoimmune disease causes, how a confused immune system attacks the body, who's at risk, common symptoms, and current treatment options in this clear, science-based …

Jul 26, 2025 · Most autoimmune diseases start when a person with genetic susceptibility encounters an environmental trigger—often an infection, hormonal shift, toxin, or medication—that disturbs …

On a basic level, autoimmune disease occurs because the body’s natural defenses — the immune system — attack the body’s own healthy tissue. Researchers have several ideas about why this …

Nov 18, 2024 · Autoimmune diseases are conditions in which your immune system mistakenly damages healthy cells in your body. Types include rheumatoid arthritis, Crohn’s disease, and some …

Mar 4, 2026 · Autoimmune disorders occur when the immune system mistakenly attacks healthy tissues and organs in your body as if they are foreign invaders. Researchers are still working to …

Sep 10, 2025 · Sex, race, and ethnicity characteristics are linked to a likelihood of developing an autoimmune disease. 1 Autoimmune diseases are more common when people are in contact with …

Causes of most of the roughly 100 known autoimmune diseases are mostly unclear, but they all share the same characteristic: The body's immune system mistakes its own tissues for infectious …