Key clinical point: Patients with MS who quit smoking tobacco may experience improved cognitive function.
Major finding: Former smokers with MS scored an average of 3.6 points lower on the Processing Speed Test than never smokers, and current smokers scored 5.9 points lower.
Study details: This cross-sectional study included 997 patients with MS who had cognitive function test scores and brain MRIs.
Disclosures: The study presenter reported having no relevant financial interests.
Alshehri E et al. ECTRIMS 2019. Abstract P461.