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.
What's Behind Your Sore Throat?
Things That Can Trigger Asthma
Antihistamines Have Side Effects
Using an Antihistamine
Live Better With Asthma
Childhood Asthma May Encourage Obesity, Study Suggests
Men: Here Are Ways to Healthier, Younger-Looking Skin
1 in 3 Adults Diagnosed With Asthma May Not Have It: Study
Why Winter Weather Brings More Flu
Flu Tightens Its Hold on the Nation
Airway Differences May Explain Why Asthma Can Be More Serious for Blacks