No title
Background We seek to clarify how changes in the prevalence of drug use disorder (DUD) in Sweden in the 1950-1990 birth cohort impact the aggregation and co-aggregation in siblings of DUD and alcohol use disorder (AUD). Methods We examined risk for DUD and AUD in siblings of 102,624 DUD cases and matched control probands and 123,837 AUD case and matched control probands identified using Swedish re
