Investigating allergies
Something that happened earlier this year has intrigued me about allergies and how your body works when you are allergic to something, how this develops and whether you can become allergic to something you've had lots of before. I also want to relate this specifically to food :) Firstly in regards to the science of what happens when you are allergic to something. An allergy is an immune response to a substance that is generally harmless to most people, this can be food, medicines, commonly bee/wasp stings, pollen or penicillin. It is the body's release of certain chemicals that results in the discomfort, tissue damage or even severe reactions in some cases such as anaphylactic shock. Allergies produce certain hypersensitivity reactions depending on the substance and the symptoms, It is described that there are 4 classifications of hypersensitivities based on how quickly the reaction presents itself. Type 1-2 presents the reaction within minutes to hours after exposure, wherea...