Exercise and Mediterranean Diet on Body Composition, Disease Activity and Inflammatory Markers in Rheumatoid Arthritis

Inclusion Criteria: * Patients older than 18 years. * Women (nonpregnant). * Patients with confirmed RA and functional classification I - III. * Patients who voluntarily accept previously signed informed consent Exclusion Criteria: * Patients participating in other investigations. * Patients with chronic renal failure, cancer, HIV, heart failure. * Patients with inability to perform physical exercises. * Patients who make a structured exercise plan (rehabilitation) at the time of inclusion in the study. * Patients with systemic lupus erythematosus, psoriatic arthritis, gout, fibromyalgia, scleroderma, Sjögren's syndrome or some other autoimmune pathology. * Patients with functional class IV. * Patients with partial or total joint replacement. * Patients who are taking any dietary supplement at the time of inclusion in the study. * Patients who are treated with biological drugs.