This cross-sectional study supports previous research showing a link between morbidity indicators in MS and alcohol use and smoking. While people with MS should be advised of the potential risks of smoking, any risks and benefits of alcohol consumption require validation using a prospective cohort of people with MS.
Weiland, T. J., Hadgkiss, E., Jelinek, G. A., Pereira, N. G., Marck, C. H., & van der Meer, D. M. (2014). The association of alcohol consumption and smoking with quality of life, disability and disease activity in an international sample of people with multiple sclerosis. Journal of the Neurological Sciences, 336(1-2), 211 - 219. https://doi.org/10.1016/j.jns.2013.10.046