eli5: Why does our immune system suddenly react safe substances making us allergic?

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So let’s say you’ve been eating nuts your whole childhood. You have had nuts added to different types of food. Your body has been exposed to nuts for quite a while.

What changes, for you to suddenly wake up one day and be allergic to nuts?

In: Biology

3 Answers

Anonymous 0 Comments

Nobody knows!

There’s some correlation between being raised “too clean” and developing allergies. Playing outside and being sent to kindergarten reduces the odds of developing allergies.

but that doesn’t really explain them appearing later in life, or some of them disappearing with puberty.

So the honest answer to your question is, No idea, its being looked into.

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