If you work in these 13 fields, your lungs may be at risk.

Treatments and medication for chronic obstructive pulmonary disease (COPD) range from simple breathing exercises to medications and even surgery.

Although weight loss sounds like a good thing, it's not—if you have chronic obstructive pulmonary disease. This lung condition, which includes chronic bronchitis and emphysema, can cause severe weight and muscle loss. About one in four people with COPD are too thin.