Dear Sir, Cigarette smokers are twice as likely to develop Crohn's Disease (CD) as non-smokers1. Furthermore, cigarette smokers are more likely to have a complicated course of disease than non-smokers2. Cessation of smoking has also been shown to have important protective effects in reduction of activity of CD (by up to 65%)3. Current estimates are that approximately 50% of CD patients in Europe smoke4. Our aim in this study was to assess the knowledge of patients with IBD regarding smoking and disease …
