The role of the immune system is to defend against infections and protect the body’s own cells. The immune system is a network throughout the body, and the majority of it exists in the gut.In cases of allergy, the immune system doesn’t work as it should. The immune system overreacts to an allergen (such as a food, drug or an insect bite) and this triggers an allergic reaction such as hives, eczema, asthma or, in severe cases, anaphylaxis.
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Essential fatty acids and your pregnancy diet
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