Rheumatoid Arthritis vs. Osteoarthritis: Rheumatoid Arthritis: More severe than OA Caused by the immune system attacking the body Can affect people of any age, but most commonly affects those between ages 20 and 60 years old Symptoms can be felt throughout the entire body Affects more women than men Osteoarthritis: Generally less severe than RA Caused by wear and tear on the body Generally affects people over the age of 40 Usually only affects the joints Commonly found in both men and women
