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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40. Unexplained Hand or Foot Numbness Unexplained numbness in the hands or feet can be an early sign of rheumatoid arthritis, often resulting from nerve compression…