CRP and rheumatoid arthritis: The PubMed word search included “rheumatoid arthritis” and “nutrition” or “diet” and “c-reactive protein” or “IL-1” or “IL-6” or “IL-17” or “IL-18” or “cytokines.” Articles were filtered to include those published between 2016 and 2022 to improve efficacy of the review and capture the most recent and prominent research.