Chronic obstructive pulmonary disease, or COPD, is a life-threatening condition commonly caused by years of smoking.

VOA: special.2010.06.23

Infections,smoking and using your voice too much, too loudly or just incorrectly can all cause hoarseness.

VOA: special.2009.09.02

Stress can lead to other problems if people attempt to ease it by taking drugs,smoking, drinking alcohol or by eating more or less than normal.

VOA: special.2009.03.24

But the most common cause is long-term smoking or years of breathing other people's smoke.

VOA: special.2010.06.23

To reduce or avoid it, researchers have examined the effect of smoking,diet, brain-challenging games, exercise and other strategies.

VOA: standard.2010.06.17

The most common cause of COPD is long-term smoking or years of exposure to second-hand smoke.

VOA: standard.2010.06.21

like eating too much or eating too much junk food, exercising too little and smoking cigarettes.

VOA: standard.2010.04.08

So it really makes it more exciting." A growing number of U.S.companies are implementing such incentive oriented programs, either to help employees quit smoking or lose weight.

VOA: standard.2010.07.16