An allergy is a disorder of the immune system that causes symptoms, such as sneezing, itchy and watery eyes, and a runny nose. Allergens are the stimuli that cause these allergy-related symptoms.
Dining Out With Food Allergies
Coping With Mold Allergy
Is Dust Causing Your Allergy?
When Pollen Counts are High
Pollen Isn't the Only Allergen
Wildfires May Boost Ozone Levels in Cities: Study
Waning Whooping Cough Immunity Blamed in Outbreaks
Allergies, Asthma Tied to Lower Risk of Brain Cancer
Legionnaires' Disease Can Transmit Person-to-Person, Case Suggests
For Super Bowl Fans, Flu Can Be an Unwanted Catch
Less Than Half of U.S. Babies Receive Flu Vaccine: CDC