Smog + pollen = more sneezing
Higher levels of airborne ozone, nitrogen dioxide might boost potency of tree allergen.
Higher levels of airborne ozone, nitrogen dioxide might boost potency of tree allergen.
Those with allergies are at greatest asthma risk, study finds.
Help your teens live a full life—and stay safe—despite food allergies.
Class of drugs interferes with a key brain chemical, but study can't prove cause-and-effect.