Because thrombosis and platelet aggregation are relatively acute events, it is not surprising that the benefit of aspirin for vascular disease was observed within five years, the investigators said.

• 因为血栓形成和血小板聚集是相对紧急的事情，所以阿斯匹林的对血管疾病的好处在五年内就可以观察的到并不奇怪。