They believe the drug propranolol will be used to remove fearful memories and scientists are studying other medications, too, including a painkiller, a nausea drug and the abortion pill.

• 他们认为普萘洛尔可以移除大脑恐惧的情绪，与此同时科学家正在研发其他药物，包括止痛片，止反胃药，以及堕胎药。