TY - T1 - Smoking Causes Fatal Subarachnoid Hemorrhage A Case-Control Study of Finnish Twins SN - / UR - http://hdl.handle.net/10138/328099 T3 - A1 - Rautalin, Ilari; Korja, Miikka; Kaprio, Jaakko A2 - PB - Y1 - 2020 LA - eng AB - Background and Purpose: One of the largest twin studies to date suggested that subarachnoid hemorrhage (SAH) is mainly of nongenetic origin, but the causal effect of environmental factors on SAH is yet unknown. We hypothesized that if only one of the twins experience fatal SAH, they do not share the most important environmental risk factor for SAH, namely smoking. If true, such finding would suggest that smoking causes SAH. Methods: Through the nationwide cause-of-death register, we followed 16 ... VO - IS - SP - OP - KW - cause of death; smoking; subarachnoid hemorrhage; tobacco smoking; twins; RISK-FACTORS; 3112 Neurosciences; 3124 Neurology and psychiatry N1 - PP - ER -