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.
Using a Nasal Spray for Allergies
What's Behind My Watery Eyes?
Can't Catch Your Breath During a Workout?
What's Behind Your Sore Throat?
Coping With Nasal Congestion
More U.S. Kids Have Chronic Health Problems: Study
Smog May Boost Risk for Several Cancers
Mild Air Pollution of Concern in Pregnancy
Kids From Poorer Families May Have Worse Food Allergy Care
With Flu Shot, Timing May Be Everything
Temporarily Turning Blue Sometimes Normal for Babies, Doctors Say