allergy treatment methods

This article is a complete guide to allergies and the allergic reaction, symptoms, causes & prevention methods. Introduction: What is an Allergy? An allergy is a reaction that occurs when the immune system overreacts to a usually harmless substance. There are two types of allergies: – Food allergies, which occur when the body mistakenly identifies … Read more The Complete Guide To Allergies And The Allergic Reaction, Symptoms, Causes & Prevention Methods