Reduced duration of breastfeeding is associated with a higher risk of multiple sclerosis in both Italian and Norwegian adult males: the EnvIMS study. Ragnedda G, Leoni S, Parpinel M, Casetta I, Riise T, Myhr K-M, Wolfson C, Pugliatti M J Neurol. 2015 Mar 21. Epub 2015 Mar 21. PMID: 25794863. Abstract CommentRecommendBookmarkWatch