Pollen and climate change Pollen is an airborne allergen that can affect our health. Pollen grains are tiny “seeds” dispersed from flowering plants, trees, grass, and weeds. The amount and…

Key findings Data from the National Health Interview Survey An allergy occurs when an individual’s immune system misclassifies typically harmless substances as harmful and has a specific and reproducible immune…

The gold standard for diagnosing food allergy is an oral food challenge. In this procedure, a food is eaten slowly, in gradually increasing amounts, under medical supervision to accurately diagnose…

A food allergy develops when a person eats, touches or inhales a protein in food called an allergen, and then the immune system makes a type of antibody against the…

Allergic reactions are sensitivities to substances called allergens that come into contact with the skin, nose, eyes, respiratory tract, and gastrointestinal tract. They can be breathed into the lungs, swallowed, or injected….

An allergy is an immune response or reaction to substances that are usually not harmful. Causes Allergies are very common. Both genes and environment play a role. If both your parents have…