CRP and rheumatoid arthritis: In patients with rheumatoid arthritis (RA), curcumin significantly reduced the ESR (MD: 29.47; 95%CI: 54.05, −4.88; I2 = 99%) and CRP levels (MD: 0.93; 95%CI: 1.33, −0.53; I2 = 89%) as compared to the control group (Kou et al., 2023).