Rheumatoid arthritis affects 10 percent of the world's population.
Rheumatoid arthritis affects the lumbar spine.
Rheumatoid factor is associated with more aggressive disease.
Rheumatoid arthritis is not associated with stiffness.
Lower education level in general results in a worse outcome in rheumatoid arthritis.
Sjogren's syndrome can occur in rheumatoid arthritis patients.
Untreated rheumatoid arthritis lowers the life span.
Every rheumatoid arthritis patient should be on Methotrexate.
Rituxan is a first-line RA medication.
Rheumatoid arthritis is in and of itself a risk factor for osteoporosis.