Singer-songwriter Carly Simon says her Parkinson’s disease was first mistaken for arthritis, delaying her diagnosis. She describes that, after undergoing joint replacement surgeries, her symptoms were attributed to joint-related problems rather than a neurological condition. Simon’s comments highlight that some signs of Parkinson’s can overlap with other, more common conditions that affect movement and joints, which can lead to misinterpretation early on. The reports also note that Simon’s experience raises questions about how easily Parkinson’s symptoms may be confused with conditions such as arthritis, particularly when patients experience pain, stiffness, or mobility issues that resemble musculoskeletal disorders. While Simon does not change the underlying diagnosis in the accounts summarized, she uses her experience to explain the path that led to her being diagnosed with Parkinson’s. The coverage aligns on the central point that arthritis was believed to be the cause initially, and that this affected the timing of her Parkinson’s diagnosis.