Slideshow: A Visual Guide to Asthma
Asthma is a serious, sometimes life-threatening lung condition. Learn about asthma symptoms and treatment options, as well as what causes asthma and what can trigger an asthma attack.
Slideshow: 10 Worst Smog Cities in America
Nearly half of Americans breathe dirty air. Do you live in one of the nation's most polluted cities? Pictures show the smoggiest, cleanest, and a smoky surprise.
Slideshow: Rate Your Asthma Symptoms
Are your asthma symptoms serious? Rate and track your asthma symptoms here for better asthma control.
Slideshow: Best Cities for Asthma
WebMD presents a slideshow of the best cities for asthma, according to the Asthma and Allergy Foundation of America.
Slideshow: 10 Worst Cities for Asthma
If you have asthma, some cities are harder places to live in than others. Here are the Top 10 “Asthma Capitals” for 2015, according to the Asthma and Allergy Foundation of America.
Slideshow: Sneaky Allergy Asthma
You know pollen and pet dander can set off asthma and allergy problems, but what are some of the more surprising triggers?