Serum Concentrations of Interleukin-8 and Vitamin D Levels in Jordanian Patients with Rheumatoid Arthritis

The findings highlight the importance of Vitamin D screening or intervention in RA patients due to its potential impact on immune function and disease progression. The elevated IL-8 levels and other inflammatory markers confirm the chronic inflammatory state in RA, emphasizing the need for continuous inflammation-targeted approaches, including pharmacological treatment and lifestyle modifications.