Air pollutants could boost potency of common airborne allergens

22 marzo 2015

A pair of air pollutants linked to climate change could also be major contributors to the unparalleled rise in the number of people sneezing, sniffling and wheezing during allergy season. The gases, nitrogen dioxide and ground-level ozone, appear to provoke chemical changes in certain airborne allergens that may increase their potency. That, in combination with changes in global climate could help explain why allergies are becoming more common.