一劳永逸预防心脏病？科学家证明或可实现
《纽约时报》报道，科学家展示了一种可能通过单次基因疗法永久降低低密度脂蛋白胆固醇（坏胆固醇）水平、从而预防心脏病的突破性方法。这项研究若成功，或将彻底改变心血管疾病的预防模式，使患者无需长期服药即可获得持久保护。
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