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I am allergic to nuts(pecans, almonds, brazils etc etc)but not peanuts....can anybody tell me why?
Somebody once said it's because peanuts are a different type of nut. Up until i was allergy tested(i am your typical atopic person!!)aged 20 i had always reacted to all nuts including peanuts. Once it had been shown that i was not allergic to peanuts i was able to eat them without a problem so i think there was something psychological going on. I now have a passion for them which sometimes borders on the obsessive....perhaps something to do with being so relieved at not being allergic to them?? Its all a bit mind boggling!!
asked in foods, allergies, nuts

hdtg answers:

They are a differnet family, they are in the same group as chickpeas so people who have peanuts allergys should be very cautious with chickpeas. I cant remeber the family name fo the group but will try to find it for you.

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KentPDG answers:

There are two bases for allergies, physiological and psychological. As you pointed out, your reaction to peanuts was psychological only. The peanut allergy, before you were 20, was obviously quite real; but it was cured by facts and understanding, not medicines and therapy.

Foods are generally quite complex combinations of many organic molecules. Food allergies are not a response to the foods, but to one or more of the organic constituents. If those were removed, the allergy would no longer be seen (except, perhaps, for psychological reasons).

Yes, peanuts are different from other nuts. And all the other nuts are different from one another. I have no idea what may be the organic compound that is common to all other nuts, but is absent from peanuts. Even if you learned that it was dimethyl piperazutic acid, there is probably no way of removing the piperazutic acid from other nuts, or if there were it would be too expensive to apply to just the nuts designated for your eating. (No, please don't try to look it up; there is no such thing as dimethyl piperazutic acid.)

Allergies might be considered as a minor inadequacy or malfunction of the immune system. In most people, immune responses increase and improve over time; so, for example, childhood hay fever and asthma decline or vanish in the adult. You may have that experience, and your allegy to certain nuts may decline over time.

Alternatively, there are medical specialists (allergists) who give tiny injections of substances to which people are allergic; and these stimulate and build up the immune response. Eventually, those allergies go away, at least for many people. It may be that you would benefit from such treatments; then you could compulsively eat all types of nuts.

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Poindexter answers:

Maybe because peanuts are not nuts. They are legumes.

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Aiming4777 answers:

Peanuts are actually related to peas and beans and not closely at all to tree nuts. So there is no specific reason why an allergy to peanuts will go together with an allergy to tree nuts. If you are allergic to peanuts you're far from certain to be allergic to the other nuts, but the risk of that is far higher than in people who don't have peanut allergy. The same is true the other way round. If you are allergic to tree nuts, you are more likely to become allergic to peanuts.


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goatcompas answers:

I wouldn't go too "nuts" with the peanuts; some of the proteins in peanuts are potent allergens as well. I developed a peanut sensitivity at 40 years old- I had eaten them all my life and was prone to put peanut butter in or on anything.

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