听一分钟英文：Heart Attacks-心脏衰竭

Heart attacks kill millions of people each year. I think it’s one of the world’s biggest killers¹. A lot of people have a heart attack because of their lifestyle. I’m sure if people ate healthy food and exercised, the number of heart attacks would drop. The thing I worry about is stress. For me, it’s difficult to avoid. Research shows that stress is one of the biggest causes of heart attacks. The problem with this is that you get stressed², and then you worry about your heart, which makes it beat faster and gives you more stress, which then makes your heart beat even faster. Best not to get stressed. There are so many things you can do in life to reduce your chances of a heart attack. I think we need more information.

1 killers   

凶手( killer的名词复数 )； 消灭…者； 致命物； 极难的事

参考例句：

• He remained steadfast in his determination to bring the killers to justice. 他要将杀人凶手绳之以法的决心一直没有动摇。
• They were professional killers who did in John. 杀死约翰的这些人是职业杀手。

2 stressed   

adj.紧张的，有压力的

参考例句：

• Loud music makes me stressed out.大声的音乐让我很紧张。
• He stressed that we should always be honest.他强调我们应该永远诚实。