Rheumatoid arthritis (RA) affects approximately 1% of the global population, with higher prevalence in women and older adults (World Health Organization). This chronic autoimmune disorder primarily targets the joints, but also involves the immune system, leading to pain, swelling, and progressive joint damage. Unfortunately, early symptoms are often subtle and nonspecific, resulting in delayed diagnosis and treatment. Late recognition frequently leads to irreversible joint damage and diminished quality of life. Rapid identification of early RA signs is therefore critical for improving patient outcomes and preventing long-term disability.
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50. Increased Sensitivity to Pain (Allodynia) Increased sensitivity to pain, known as allodynia, can be an early symptom of rheumatoid arthritis. Allodynia occurs when normally non-painful…