CRP and rheumatoid arthritis: While these interventions did not significantly affect the Disease Activity Score of 28 joints (DAS28), a review on the effect of meditation, mindfulness, and yoga in people with RA found multiple yoga-based intervention studies resulted in a decreased DAS28, number of inflamed joints, and systemic inflammatory markers (C-reactive protein (CRP) and erythrocyte sedimentation rate (ESR)) compared to controls [15].