What Causes Food Allergies?

For some people, a simple peanut or a bite of shrimp can cause the body’s immune system to wildly overreact. In some cases, the results can be deadly. But what exactly is happening in the body for it to confuse nuts or shellfish with a true threat?
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SICK is a new series that looks at how diseases actually work inside our body. We'll be visiting medical centers and talking to top researchers and doctors to uncover the mysteries of viruses, bacteria, fungi and our own immune system. Come back every Tuesday for a new episode and let us know in the comments which diseases you think we should cover next.
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Read More:
Allergy, Parasites, and the Hygiene Hypothesis


The Role of Mast Cells In Allergic Inflammation


Allergies and the Immune System


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