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.
Antihistamines Have Side Effects
What's Behind Frequent Nosebleeds?
Don't Let Allergies or Asthma Spoil Summer Fun
When Air Is Unhealthy
Controlling Dust and Dust Mites
Exercise Is Good for You, Even in Polluted Cities: Study
4 Ways You Can Cut Smog in Your Town
Radon in the Home May Be Linked to Blood Cancers in Women
Managing Allergies, Asthma 101
Expectant Mom's Flu Shot Protects 2
Too Many People Still Take Unneeded Antibiotics: Study