Why Can't I Eat Peanut Butter?

Some people (maybe you!) can't eat certain foods because they're allergic to them. People can have an allergic reaction to almost any kind of food, or even other things, like bee stings! But all allergies have something in common: our immune system!
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SOURCES:
www.foodallerg...
kidshealth.org...
www.ncbi.nlm.n...
www.webmd.com/...