As of Friday, 10 counties had air quality that the Environmental Protection Agency considers "unhealthy."
Race, not income, age or education, is the main thing influencing how much pollution someone is exposed to. And minorities are exposed to the most.
More than 500,000 asthma inhalers have been recalled nationwide.
Modern society makes our immune systems complacent and prone to overreaction, which is why allergies are on the rise.
Hundreds of people claim hookworms helped them overcome asthma or other inflammatory diseases. Soon, they may not even need the parasites.
Could vitamin D help fight severe asthma attacks?
A new way of smuggling ragweed, peanut proteins or other allergens past the immune system could finally teach our bodies not to overreact.
Erik Skeie says he doesn't remember exactly how old he was when he started going to the American Lung Association's camp for kids with…