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Allergy Testing Kits: Assisting You to Prevent Those Allergy Triggers

If your immune system is noticed to have negative reaction towards common harmless substances like pollen, nuts, fish or dusts that is present within your surroundings, then allergy is said to occur. Allergic reactions are caused by allergen and usually the reactions are acquired, predictable and rapid. It is into four types of hypersensitivity that allergy has been classified and referred to formally as hypersensitivity type I (immediate).