Most people think rheumatoid arthritis (RA) sneaks up when your joints suddenly get stiff, swollen, and achy. But here’s the shocker: a brand-new study says RA actually starts years before you ever feel joint pain. Your immune system begins acting up early, basically waging a silent battle against your own body, long before those first signs of arthritis appear. This research could totally change how we diagnose, treat, and maybe even prevent rheumatoid arthritis in the future. The findings of the study have been published in the journal Science Translational Medicine. The study focused on people at high risk for rheumatoid arthritis—those who already had certain antibodies in their blood. Even before they felt joint pain, their immune systems were going haywire. "Individuals who

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