This is a type of protein produced by the immune system that attaches to “invaders” or things in your body that shouldn’t be there, such as bacteria’s, parasites, or allergens. The antibody then, simply speaking, raises a red flag alerting the immune system that there is something bad in your body to help the immune system begin its attack on the “invader.” Immunoglobulin (IgE) is the antibody that attaches to an antigen and raises the red flag in allergic reactions.


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