What causes rheumatoid arthritis flare ups?

Related questions

1. What should you not do if you have rheumatoid arthritis?
2. Does walking help arthritis?
3. Is rheumatoid arthritis a death sentence?
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5. How does a person get rheumatoid arthritis?
6. What is the life expectancy of someone with rheumatoid arthritis?
7. Can Rheumatoid arthritis go away?
8. Can RA just go away?

Tags

1. #chemicals
2. #trigger
3. #fatigue
4. #people
5. #psychological
6. #arthritis
7. #caused
8. #promote
9. #rheumatoid
10. #physical
11. #overexertion
12. #flare
13. #called
14. #showed
15. #factors
16. #shown
17. #inflammation
18. #cause
19. #increase
20. #cytokines