Smoking May Interfere With Rheumatoid Arthritis Treatment, Karolinska University Hospital Study  
1/6/2011 6:22:53 AM

WebMD -- Jan 5, 2011 -- People with early rheumatoid arthritis (RA) who smoke are less likely to respond to treatment with two of the most commonly used medications -- an older disease modifying antirheumatic drug called methotrexate and biologic drugs known as TNF blockers, according to a new study in January’s Arthritis & Rheumatism.