What Vitamin Deficiency Causes Psoriatic Arthritis? Unpacking the Nutrient Connection
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4 min read
According to a 2015 study published in *Arthritis Research and Therapy*, almost 41% of people with psoriatic arthritis (PsA) had a vitamin D deficiency compared to a control group. This significant statistic underscores a complex relationship, raising the question: **what vitamin deficiency causes psoriatic arthritis?**