Most people think arthritis only affects those hovering around retirement age. But rheumatoid arthritis, a chronic inflammatory disorder, can actually strike those in their 20s or 30s. And unlike some other rheumatic diseases, the side effects of the condition extend beyond joint pain and stiffness. 

With rheumatoid arthritis, the immune system attacks the lining of the joints, causing pain and swelling, as well as less-talked-about symptoms like extreme fatigue and rashes—and that's just the tip of the iceberg. Here's what it's really like to live with rheumatoid arthritis:

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