Lifetime substance use disorder and suicidal behaviour: a population-based familial co-aggregation register study.
Substance use disorders (SUD) are associated with suicidal behaviour, but less is known regarding the extent to which familial factors influence these associations across different types of SUD. We performed a national register study including 4,209,615 individuals born in Sweden 1958-1999 and followed 1973-2020. Expos...