What role do genetics play in allergies?

There's no question that genetics play a role in allergies, says HealthMaker Alkis Togias, MD, Asthma and Inflammation Section Chief at the NIAID. But it's not as simple as a single gene misbehaving. Here, he discusses the link between the two.

Get the dirt on what causes allergies and asthma.

Most people with asthma understand asthma triggers. But do you know what causes asthma in the first place?

High levels of these immune cells can cause airway inflammation for people with certain types of asthma.

Temperature changes can make eczema worse. Here's how to avoid breakouts.

Learn how strong emotions can affect asthma symptoms—and find ways to breathe easier.