‘Sneeze neurons’ activated by triggers such as pollen or a viral infection send an achoo signal, whereas cough neurons induce a hack. Does a whiff of pollen trigger a sneeze or a cough? Scientists ...

Nearly a quarter of Americans — or 81-million people in the United States — suffer from seasonal allergies, according to the Asthma and Allergy Foundation of America. Early-season allergies are often ...

Allergies occur when your immune system overreacts to harmless substances, like pollen or pet dander. Allergies to substances like pollen commonly cause sneezing, a runny nose, and itchy eyes. Chronic ...