States could be in for another summer of unhealthy wildfire smoke as ‘zombie fires’ resurface in western Canada and more blazes break out in the dry conditions.

Asthma attacks can result from immune cells overreacting to a harmless allergen. Tamping down iron levels in certain immune cells can help control their activity.

Wheezing is often a strong indication of asthma, but there are also other signs that can help make a diagnosis. An expert fills you in.

Freight trains carrying coal pose a health risk to communities living near rail lines, according to new research.

An inhaler that costs nearly $300 in the US goes for just $9 in Germany. What gives?

You may be breathing in more tiny air pollution nanoparticles from your gas stove than you would from a car that runs on gas or diesel.

The natural gas industry has spent years trying to undermine scientific findings about gas stoves and health. If this sounds familiar, that’s no accident.

There's a stark link between Canadian wildfire smoke and increases in the number of people going to the hospital for asthma symptoms in NYC.

Black kids with asthma are less likely to go to the hospital via emergency medical services, a study finds.

Vaping increases the risk of asthma in young people who have never smoked conventional tobacco products, a new study suggests.