Genetic Testing (Pre-marital Screening + BRCA)

Modern genetics has raised new Jewish ethical questions, addressed by contemporary authorities: should couples be screened before marriage for inherited diseases (as programs like Dor Yeshorim quietly do), and how should one weigh testing for cancer risk such as BRCA against worries about privacy and anxiety? The discussion balances the duty to guard life and health with caution about knowledge that cannot be undone.