It was found fairly early on that a drug widely prescribed to control blood pressure in humans — a beta-blocker called Propranolol — could be used to prevent the reconsolidation of fear memories in rats.

在很早时候就已经，种广泛用于控制人体血压药——名为 “普萘尔” β—受体阻滞剂——在老鼠身上能阻止恐惧再巩固。

Beta-blockers like propranolol can decrease portal venous pressure and prevent complications.

诸如心得安之类β受体阻滞剂可以降低门静脉压力，并预防并症。