No effect of season of birth on risk of type 1 diabetes, cancer, schizophrenia and ischemic heart disease, while some variations may be seen for pneumonia and multiple sclerosis. Við Streym S, Rejnmark L, Mosekilde L, Vestergaard P Dermatoendocrinol. 2013 Apr 1; 5(2):309-16. PMID: 24194971. Abstract CommentRecommendBookmarkWatch