Is the definition of allergy static or can it change?

An allergen is an otherwise harmless substance that triggers an allergic reaction in sensitive individuals by stimulating an immune response. Allergy occurs when a person's immune system reacts to substances in the environment that are harmless to most people. These substances are known as allergens ... noun plural allergies. Informal. a strong dislike or aversion, as toward a person or activity: He has an allergy to hard work. Apr 18, 2023 ... Health Canada information for consumers on food allergens, allergen labelling and research. Provides access to fact sheets with information ... WAO is an international umbrella organization whose members consist of 111 regional and national allergology and clinical immunology societies from around the ... Clinical criteria were proposed that emphasized the need for heightened suspicion of anaphylaxis in patients with a previous history of allergic reactions to a ... J Allergy Clin Immunol. 2010;126(6 Suppl):S1. Food allergy is an important ... The Guidelines include a consensus definition for food allergy, discuss ... Feb 2, 2023 ... An allergen is a substance that can cause an allergic reaction. In some people, the immune system recognizes allergens as foreign or dangerous. A food allergy occurs when the body's immune system sees a certain food as harmful and reacts by triggering an allergic reaction. There are two categories of ... Learn to read food labels so you can avoid foods that cause allergic reactions. On this page. Food allergy and intolerance are different ...