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A myRAteam Member asked a question 💭
November 29, 2025
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Is rheumatoid arthritis caused by parasites?

No, rheumatoid arthritis is not caused by parasites. RA is an autoimmune condition where the immune system mistakenly attacks healthy joint tissue, causing inflammation and damage.

While the exact causes aren't fully understood, RA appears to develop from a combination of Show Full Answer

Is rheumatoid arthritis caused by parasites?

No, rheumatoid arthritis is not caused by parasites. RA is an autoimmune condition where the immune system mistakenly attacks healthy joint tissue, causing inflammation and damage.

While the exact causes aren't fully understood, RA appears to develop from a combination of genetic predisposition and environmental factors. Research has explored connections between certain bacterial and viral infections and RA development, but parasites haven't been identified as a trigger.

The infections that have been studied in relation to RA include:

- Bacteria that cause gum disease
- Epstein-Barr virus
- Some respiratory viruses
- Certain bacteria causing pneumonia, urinary tract infections, and gastrointestinal disease

It's important to understand that even with these infections, only a small percentage of people develop RA. Having an infection doesn't mean someone will develop RA, and the connection between infections and RA is still being researched.

November 29, 2025

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