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Allergy Overview What are allergies? Allergies are due to a problem with the body's immune system. Most allergic reactions happen when the immune system reacts to a false alarm. Normally the immune system attacks harmful things, such as viruses or bacteria. But sometimes it

Allergens: Pollen What is pollen? Pollen is the tiny egg-shaped male cells of plants, including trees, grasses, and weeds. Pollen is microscopic in size. It is the most common cause of hay fever (seasonal allergic rhinitis). Which plants produce pollen that cause allergic

We provide unparalleled care for children with allergic disorders, including asthma, food allergy, eosinophilic esophagitis, hay fever and eczema. Our allergists and immunologists can perform specific tests that may help determine your child's allergies and, for those with

Allergens: Animals What is an animal allergen? Allergens found in animals are a common cause of allergic reactions. They are caused by the proteins found in an animal's: Skin (dander) Saliva Urine Household pets such as cats and dogs are the most common sources of animal

Alcohol-Induced Liver Disease What is alcohol-induced liver disease? Alcohol-induced liver disease is common. But it can be prevented. There are three types. Many heavy drinkers progress through these three types over time: Fatty liver. Fatty liver is the build-up of fat inside

Allergies in Children What are allergies in children? Allergies are problems of the immune system. Most allergic reactions happen when the immune system reacts to a “false alarm.” Normally, the human body defends itself against harmful things, such as viruses or bacteria. But