Allergies
Allergies occur when the immune system reacts to otherwise harmless substances such as pollen, food, pets, and more. Researchers aren’t completely sure why some people develop allergies and others do not, but they have identified a specific antibody IgE and certain immune cells, like mast cells, that are involved in allergic responses.
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What are Allergies?
An allergic response occurs when your immune system makes antibodies to something that is otherwise harmless.
Seasonal Allergies
Seasonal allergies, also known as allergic rhinitis or hay fever, are a type of allergic reaction that occurs at specific times of the year.
Food Allergies
Food allergies happen when the immune system reacts to certain foods, like peanuts or shellfish, as if they are dangerous invaders.
Allergies and Asthma
Allergic asthma occurs when the immune system is triggered by an allergen to cause inflammation in the airways of the lungs.
Managing Allergies
Explore the various ways that you can manage your allergies and how they work.
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