Then in 2004, Merck withdrew its painkiller Vioxx after studies showed the pill increased the risk of heart attacks and strokes.

随后在2004年，在研究显示默克公司的止痛药万络增加了心脏病发作和中风的危险性后，该药撤出了市场。

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Aspirin was initially developed as a painkiller, but scientists have also discovered its ability to reduce the risk of strokes and heart attacks.

阿司匹林最初被用作止痛药，但科学家们也发现它具有减少中风和心脏病风险的疗效。

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Aspirin was initially developed as a painkiller, but scientists have also discovered its ability to reduce the risk of strokes and heart attacks.

阿司匹林最初被用作止痛药，但科学家们也发现它具有减少中风和心脏病风险的疗效。

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