7 Surprising Triggers of Lung Trouble

Can't breathe?

Airborne irritants—both outdoors and indoors—can aggravate or even cause asthma, a respiratory condition characterized by a chronic cough or wheezing.

Common pollutants, such as traffic exhaust and secondhand smoke, are well-known causes of lung problems, including asthma.

But there are a number of other irritants—some of them found in your home or car—that can also trigger asthma symptoms.

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