Patients with chronic pain who smoke have worse pain, functional, sleep, and psychological and mood outcomes compared to non-smokers. Smoking also has prognostic importance for poor recovery and improvement over time.
Khan JS, Hah JM, Mackey SC. Effects of smoking on patients with chronic pain: a propensity-weighted analysis on the Collaborative Health Outcomes Information Registry. Pain. 2019 Oct;160(10):2374-2379. doi: 10.1097/j.pain.0000000000001631. PMID: 31149975; PMCID: PMC6768701.