It’s not exactly my field, but I’ll try to answer =) The immune system is like our policemen, able to protect us from foreign organisms, toxins, … . In some cases, the immune system overreact to external stimuli coming, for example, from plant pollens, insect venom, or certain foods. In those cases, the immune system behaves as a sort of crazy soldier!
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anon-181550 commented on :
Thank you!