THE safety of popular over-the-counter painkillers and anti-inflammatory drugs has been questioned after a huge Harvard study found prolonged use can increase the risk of heart attacks and strokes.

• 哈佛大学的一项大规模调查发现,延长使用普通非处方止痛片和抗炎药可增加心脏病发作和中风的风险,自此以后,这些药物的安全性就一直受到质疑。