Question: can rheumatoid arthritis affect asthma?
Answer: Asthma affects about 10% of the U.S. population, and pulmonary dysfunction has been reported in up to 67% of patients with rheumatoid arthritis (RA). 1. Luo Y, Fan X, Jiang C, et al. Rheumatoid arthritis is associated with increased in-hospital mortality in asthma exacerbations: a nationwide study.