People who are bored are more likely to turn to unhealthy habits like drinking and smoking, which can cut their life - expectancy, the scientists said.

科学家说，觉得生活无聊的人更容易染上抽烟喝酒等不健康的生活习惯，而这些不良习惯会缩短他们的寿命。

youdao

Life expectancy is still rising, but not nearly at the same pace as other wealthy nations due to high rates of smoking and obesity.

全球的平均寿命正在延长，但是美国人由于过度吸烟以及肥胖症，其寿命的增长速度并没有其他发达国家快。

youdao

Yes, life expectancy was lower in 1973, but some of that was smoking, and I don't smoke. So where do I sign up for the time machine?

的确1973年的平均寿命是低一些，但是别人抽烟，我不抽。那么我到哪里报名参加时光旅游呢？

youdao

"What we found was that high blood pressure,smoking, overweight/obesity and high blood glucose account for five years of loss of life expectancy in men and about four years in women at the national level."

VOA: standard.2010.04.08

Despite average rates of obesity and smoking, their life expectancy outpaces the national mean by a year.

NEWYORKER: Letting Go

Here, heavy drinking, heavy smoking and post-Soviet stress have led to male life expectancy falling to just 59 .

FORBES: Connect

It is impossible, for example, to demonstrate a link between health-care delivery and life expectancy, because factors such as diet, exercise and smoking are much more important than the number of costly gadgets in hospitals.

ECONOMIST: Your money or your life