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In ads on TV, it all looks so simple. People use mouthwash, it instantly neutralises all the nasty bacteria hiding in their mouths, and – just like that – their dental hygiene is assured. 在电视广告里，什么东西看起来都很简单。人们使用漱口水以后，隐藏在口腔中的有害细菌立刻就被清除了。就这样，他们的口腔卫生得到了保证。 But what's really going on when you rinse a cap-load of antibacterial chemicals around your mouth? What does that to your body, and to other kinds of microorganisms that may actually be beneficial to health? 但你用一瓶盖的抗菌化学品冲洗口腔时究竟会发生什么呢？对你的身体会有什么影响？对其他有益健康的微生物又会有什么影响呢？ As a study showed last year, the downstream effects can be surprising, and far-reaching too, affecting much more than just your dental wellbeing. 去年一项研究表明，下游效应令人意外、影响深远，而且影响的不仅仅是口腔健康。 In an experiment led by scientists from the UK and Spain, researchers found that the simple act of using mouthwash after exercising can reduce one of the benefits of exercise: lowering blood pressure. 英国和西班牙的科学家进行了一项实验，研究人员发现锻炼后使用漱口水这一简单的行为会降低运动带来的一种好处：降血压。 | 
