are antigens similar to that of pathogens that attack our body...???...means are they harmful....?????..because they induces the immune system of our body to produce antibody...
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61Antigens are substances that are foreign to the body. They may or may not be harmful, but they elicit an antibody response from the body. It is usually for the benefit of the body. In allergies, however, the body produces antibodies to harmless antigens, causes an overreaction and so harms itself.
