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?

From pollen to pigweed, learn how to stop pesky fall allergens in their tracks.

Is this the reason you're wheezing?

Learn how adopting a four-legged friend could affect your health.