Article
Smoking and multiple sclerosis susceptibility.
European journal of epidemiology - 1 Nov 2013
Hedström Anna Karin, Hillert Jan, Olsson Tomas, Alfredsson Lars
Abstract excerpt
Smoking is one of the most established risk factors for multiple sclerosis (MS). The aim of this study was to investigate how age at smoking debut, duration, intensity and cumulative dose of smoking, and smoking cessation influence the association between smoking and MS risk. In two Swedish population-based case-control studies (7,883 cases, 9,264 controls), subjects with different smoking habits were compared...
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