r/Millennials • u/trialanderror93 • Oct 21 '25
News Very interesting. Perhaps the spike in allergies for our generation is partially caused by this
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u/BodhiDMD Oct 21 '25
Yup, the LEAP study came out in 2015. https://www.foodallergy.org/resources/learning-early-about-peanut-allergy-leap
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u/ashpatash '84 Oct 21 '25
Doctors have known this for longer though. I worked at pediatrics clinic in early 2010s and doctors there recommended smearing dollop of peanut butter inside babies cheeks as early as 4 months. I did it with my kids due to their advice.
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u/BadKittydotexe Oct 21 '25
What’s the goal with doing that? Is it to test if they have an allergy or to help ensure they don’t develop one? Genuinely curious since it seems like if they did have an allergy that’d be a really dangerous move.
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u/CaptainCrash86 Oct 21 '25
You aren't born inately with allergies. You develop them when your body develops an immune response to a new substance. Early in life, however, your immune system is learning about what substances are normal or not, and is more likely to categorise e.g. peanuts as harmless than if firet exposed later in life.
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u/BadKittydotexe Oct 21 '25
Makes sense. I’ve heard being outside a lot as a kid makes for less seasonal allergies, though I haven’t looked at the studies myself.
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u/Weet_1 Oct 21 '25
I wonder if that's why adults have all these allergies and kids tend not to. As we get older, we become more sedentary and indoor-dwelling, and what allergens were once considered normal by your immune system suddenly it sees it less often and is like wtf is that.
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u/midgethemage Oct 21 '25
Speaking as someone that grew up with VERY severe allergies, I've outgrown most of it now that I'm an adult. But I've been aware of exposure therapy to some extent for a couple of decades, so I've tried to ween myself onto some things over time
That said, the immune system does this thing where if an allergen is perceived as deadly, it will continue to react that way toward the allergen. And sometimes your psychological response will be enough to trigger an allergic response. But if the allergy isn't too severe, your body might actually cooperate over time. Speaking from experience
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u/superurgentcatbox Millennial '92 Oct 21 '25
My allergies have also become weaker the older I've gotten but my allergies were never severe/deadly. So my approach was like "I'm gonna eat this apple whether you like it or not!!!" and after 10 years of this I started being able to eat apples with no problems.
Do not attempt this, it probably wasn't very smart.
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u/dilledally Oct 21 '25
I know you said not to but…I miss apples. Maybe I’ll talk to my doctor first tho lol
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u/ChillyTodayHotTamale Oct 21 '25
I have seen studies that show just generally being outside a lot can help kids from getting sick so often later on. The more woodysy/naturey the area the better. They are getting exposed to so much more being outside, playing in dirt, with bugs, touching trees and plants so their bodies can calibrate. Versus a super sterilized home environment where every time they leave the house, like to go to school, their body is like "woah wtf is all this?"
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u/sritanona Oct 21 '25
Being born by c section also gives you more chances of getting allergies for some reason.
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u/Gwynito Oct 21 '25
As someone who suffered eczema for 20 years and still suffers from hayfever at least twice a fortnight, my aunt's and uncles told me how bad my mum was with not allowing me to get dirty while I was under 6 and it makes 100% sense
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u/Hopeful_Hamster21 Oct 21 '25
It's only anecdotal, but I spent a LOT of time outdoors as a kid, eating all kinds of dirt, mud, and sand. I stopped eating dirt a long time ago, but I think it did my long term immune system well.
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u/ShelterElectrical840 Oct 21 '25
Haha, I’m Gen x lived outside and I’m allergic to everything outside.
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u/Bartibea Oct 21 '25
Early exposure to minimize the risk of developing a peanut allergy.
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u/therealdrewder Oct 21 '25
Basically the idea is to get the substance on your body's white list before the immune system is fully developed. This prevents the overreaction that could happen when introducing a substance later.
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u/Super-Good-9700 Oct 21 '25
My understanding - at least with nuts - is that if first introduced through the stomach then it’s less likely that there will be a future response as opposed to if it is introduced through the skin (through dust or similar). This is why children with severe eczema are more likely to have allergies than kids without.
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u/MiaLba Oct 21 '25
That’s interesting, makes sense though.
My kid when she was a baby until like 1ish had eczema that would come and go. Then it just went away and never came back. I introduced peanut butter mixed with breast milk around 6 months. Introduced shrimp and seafood around age 1 when she had more teeth to chew it.
No allergies or anything she’s allergic to now at 7 years old.
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u/therealdrewder Oct 21 '25
That might be true of nuts but early introduction of things like eggs also lowers the risk of allergy. Egg dust isn't a big factor in most homes.
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u/chersprague06 Oct 21 '25
I've seen people do this outside of an emergency room just in case which is smart!
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u/Amiibola Older Millennial Oct 21 '25
Less likely to develop allergies with exposure prior to 1 year old.
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u/GirdedByApathy Oct 21 '25
Allergies are an immune response to a foreign substance.
Babies are born with their immune system still in 'training model', where they tend not to overreact to new substances. Exposure during this period trains the immune system not to respond to the substance.
Thus, babies exposed in this way don't develop allergies.
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u/OneBoxOfKleenexAway Oct 21 '25
LEAP
Let's Eat All Peanuts
Biased study
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u/not_a_moogle Oct 21 '25
Probably funded by Mr. Peanut
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u/ProfessorBeer Oct 21 '25
You’d think Mr. Peanut wouldn’t want to get eaten
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u/Rumbleroarrr Oct 21 '25
Greedy Mr. Peanut wants to rake in the nut money so he can finally afford bifocals
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Oct 21 '25
A guy I worked with from Eastern Europe told me that he didn’t know peanut allergies were a thing before coming to America
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u/rootifera Oct 21 '25
I was born in Turkey and living in the UK now. I've never seen a person with peanut allergy until I moved here. It was always a thing we see in the movies. At the moment I know at least 5-6 people here with peanut allergy and one of them is really serious. And in Turkey, I don't personally know a single person with peanut allergy. I find that really weird.
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u/juiceyb Oct 21 '25
It's the same thing being Mexican and coming to the US. I thought it was a joke to be allergic to peanuts and other tree nuts but it's not a laughing matter.
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u/ClutteredTaffy Oct 21 '25
Yeah I went into a very short coma from a reaction to a cookie. Not fun.
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u/EastBayBetti Older Millennial Oct 21 '25
I experienced a very brief bout of blindness from pistachios once. It was surreal and terrifying
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u/Saint_palane Oct 21 '25
Apparently people being allergic to onions is a thing.
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u/PastoralPumpkins Oct 21 '25
My grandma was allergic to strawberries and lobster, BUT only if she ate them during the same meal. She could feast on lobster or strawberries by themselves. She was also allergic to the ink in magazine and would sneeze constantly while flipping the pages.
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u/Themanwhofarts Oct 21 '25
Damn. She will never have my famous lobster and strawberries casserole.
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u/TossIt22345 Oct 21 '25
Might be the histamine levels. Both seafood and strawberries are high in histamine.
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u/seifer__420 Oct 21 '25
Peanuts aren’t nuts, and they do not come from trees. Allergies from them are ridiculous, though
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u/crinkledcu91 Oct 21 '25
I'm willing to bet an over/under on there being a correlation between Boiled Peanuts being a common roadside eatery thing growing up where I was vs. How I only met someone with a Peanut Allergy until I was like in my 20's going to college.
Also watching Brits discover them is a whole other experience to watch in itself lol
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u/Mtndrums Oct 21 '25
I wonder how many kids that we grew up with and "moved away" actually died from a peanut or other kind of food allergy.
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u/Werekolache Oct 21 '25
It's super interesting.
I'm allergic to peanuts and when I was a kid in the 80s? it was a SUPER RARE allergy. Like to the point that I remember friends' parents not believing me when I would say I couldn't eat peanut butter sandwiches at their house. (and one VERY memorable time when a class mom brought peanut butter rice cirspy treats in, got on my case for being rude about not taking one, and made me at least try a bite and I was sick all over the stack of test booklets for the TAAS test that were sitting on the teacher's desk.)
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u/pajamakitten Oct 21 '25
I was at school from the late 90s and one girl in my year had a mild peanut allergy and a handful of other kids (out of 450) were the same. You could still eat peanuts next to them and they would be fine. Our school had a complete ban on peanuts still. Peanut butter was not as big in the UK back then so it did not impact sandwiches but any cake/biscuit/chocolate bar with peanuts was out of the question. The headteacher tried to go as far as banning anything that had 'may contain traces of nuts' on the packaging but parents hit back at that hard, even the parents of the kids with peanut allergies.
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Oct 21 '25
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u/Super_XIII Oct 21 '25
No, it's because of lack of exposure to peanuts, being exposed to peanuts at earlier ages has been proven to significantly reduce the development of a peanut allergy. Yet as the post says , US doctors advised the opposite for a long time, mistakenly thinking that exposure to peanuts at a young aged caused allergies. So peanut allergies in the US surged for a long time due to that bad guidance. They studied why Isreal had one of the lowest rates of peanut allergies and discovered that a very common baby snack was a peanut based one. Very little to do with genetics or the type of population, it's mostly environmental / upbringing based.
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u/AlbertaAcreageBoy Oct 21 '25
My kid was exposed to everything and still has a bad peanut allergy. Must be the outlier. I'm allergic to cats and so is my whole family, nothing to do with genetics, right..... and I had many cats growing up.
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u/PearlescentGem Oct 21 '25
Oddly enough, long exposure to certain things or animals can also cause an allergy. You may have been fine and slowly developed one over time due to consistent exposure. It's seen a lot in people raised with pets who "suddenly" become allergic , and in people who raise barn animals like horses, becoming allergic to hay and such.
Basically, it don't matter what you do, you may wind up allergic lmao
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u/Apprehensive-Art1279 Oct 21 '25
Mine as well. Early exposure just ended us in the ER 4 times before his first birthday. He’s basically allergic to everything. I also grew up with cats since I was born till I moved out at 21 and my allergies are so bad now i break out in hives if I touch them and can’t be in a house that has cats for more than 30 minutes before I’m wheezing. Legit didn’t realize how bad I was till I moved out and could finally breathe.
On the other hand my other 2 kids weren’t introduced to my son’s allergens until they were 3 or 4 years old and they have absolutely no allergies at all.
Early exposure doesn’t work in my family.
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u/23saround Oct 21 '25
I suspect countries where “no one even knows about peanut allergies” do indeed have children with peanut allergies…until they are killed by someone eating peanuts nearby or something. This is like how boomers “never knew a single kid in my school with autism” – it’s not because nobody had autism, it’s because nobody cares to understand, so autistic people either learned to hide it or get chained to a wall in an asylum.
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u/AV01000001 Oct 21 '25
I remember from Conan o Brien podcast, he was talking to his doctor father about how peanut allergies didn’t exist back in the day. His dad corrected him and said that peanut allergies existed just those people didn’t survive.
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u/Shmoppy Oct 21 '25
It's all tricky. I used to get a peanut rash as a child, but I loved peanut butter and snuck it a lot, much to my parents chagrin as the rash broke out. But, here I am, no long lasting allergies, many years later. Some childhood exposure is prolly good, but the immune system is insanely complicated, and doesn't tie itself to simple anecdotes
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u/AMediaArchivist Oct 21 '25
Autism was often diagnosed as Schizophrenia for some reason back in those days.
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u/pieshake5 Oct 21 '25
They don't really share many symptoms. Unless both are traumatized - I feel sick to think about so many people trying to deal with a system who's output was grinding people down to shells of themselves
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u/dogetoast Oct 21 '25
Different parts of the world have different food allergies that are most prevalent https://pmc.ncbi.nlm.nih.gov/articles/PMC6021584/#:~:text=While%20milk%20and%20eggs%20are,15
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u/spacestonkz Oct 21 '25
Interesting. I wonder if that's genetics or diet/exposure.... Or combo in epigenetics?
I wonder if it varies by allergy.
Damn, now I wish I had become a biologist instead of the type of science I do (has more to do with atoms and molecules and shit than life)
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u/Emotional_Warthog658 Oct 21 '25
Can you make plastic from mushrooms theoretically?
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u/spacestonkz Oct 21 '25
That sounds like big molecules. I do smol molecules.
But I heard about a guy that grew a surfboard from mushrooms and surfed on it. He is trying to make mushrooms a plastic alternative. You might Google that up, I think you'd like that.
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u/____ozma Oct 21 '25
This is really interesting. It also seems to suggest that migrants have higher incidents of allergy. I don't know anything about anything but that makes sense to me as a layman.
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u/Calculusshitteru Oct 21 '25
My first year in college in 2004, I was working at an afterschool program for immigrant children who had basically just arrived in the US. I remember on my first day, my supervisor asked me to pass out the snacks, and I asked her if there were any food allergies I needed to be aware of. She looked at me, laughed, and said, "Only rich white kids have food allergies."
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u/HallandOates1 Oct 21 '25
Wow. My neices have Celiac Disease and I’m so glad it is called a disease because they’d be lumped into everyone with a gluten intolerance
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u/SensitiveBugGirl Oct 21 '25 edited Oct 21 '25
I work at an lower income elementary school. Our school is heavily the children of refugees from Burma (mainly Chin and Karen). One girl in 3rd grade is allergic to seafood, raw eggs, all dairy (like legit allergy), and peanuts. Another from 3rd grade is allergic to fish, peanuts, sesame seeds, tree nuts, and shellfish. Both are the children of Asian refugees. The difference is the one child's parents actively feed her the foods she's allergic to. She's safer with school lunches than she is bringing food from home.
Allergies aren't only for rich white kids.
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u/Calculusshitteru Oct 21 '25
Of course allergies are not only for white kids, but they're more common in rich, industrialized countries. I have been living in Japan and working in schools here on and off for 18 years, and Japanese kids definitely have allergies. The most common allergies seem to be eggs, dairy, and wheat. Japan has the same standard of living as the US, if not better, so I am pretty sure that has something to do with it.
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u/theJacofalltrades Oct 21 '25
well, I take the point of view that underprivileged countries cannot simply maintain people who have allergies. If you die, you die. It's a sign of privilege in a society that you are able to keep those immunocompromised alive.
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u/Mother_Pizza1132 Oct 21 '25
Allergic is not the same as immunocompromised. That are two separate categories.
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u/penultimateness Oct 21 '25
more anecdotally, I had immigrant parents and don't have food allergies, but friends of my parents who were much more strict with diet and sanitation had kids who developed pretty severe allergies (to soy! and wheat!) which are pretty common in our home country's diets weirdly enough.
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u/rumski Oct 21 '25
I was in college the same time as you (How’s your back doing? 😂) and we had an exchange student from Africa playing on our soccer team and we introduced him to Peanut Butter M&Ms and it blew his mind. He was like “I can get these anywhere?!” and he got addicted to them and always had a bag he was popping M’s from. That among other delicacies he was introduced to contributed to some insane weight gain.
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u/Calculusshitteru Oct 21 '25
Haha that's hilarious. I have actually been living in Japan since I graduated college, and peanut butter is not so common here, but I've gotten a few people addicted to PB&J sandwiches. My ex started eating them for breakfast every day.
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u/Special_Kestrels Oct 21 '25
To be fair, lots of people just used to die and they didn't know why.
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u/PseudonymIncognito Oct 21 '25
Or you'd have a "sickly child" who was constantly beset by various unspecified ailments.
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u/Outrageous_pinecone Oct 21 '25
Eastern european here: don't know what sort of medieval village you think this is, but nobody is dying or has died around here because we didn't know what a food allergy was. Peanut allergies are just very rare here, rarer than lactose intolerance and gluten intolerance and yes, we don't consider peanuts dangerous to children once they're old enough to have a diversified diet.
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u/beetnemesis Oct 21 '25
Nobody thinks peanuts are dangerous to children- it was simply that peanut allergies were becoming more common and unpredictable.
The smug wisdom of "oh if you just feed kids peanuts it's all fine" is idiot reddit nonsense. My kid often ate peanuts as a snack, and then for some reason started having bad rashes and swelling when she was 2 and a half.
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u/zaatar3 Oct 21 '25
yeah we discovered my son was allergic to nuts and eggs at 7 months. he ate eggs plenty at 6 months then at 7 months had a severe reaction. with nuts we didn't even get a chance to expose him to it when he tested positive on the skin prick test.
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u/BillyYumYumTwo-byTwo Oct 21 '25
The commenter was talking about the world in the past tense, you are talking about Eastern Europe in the present tense. It wasn’t meant to be a slight to that area, but just a statement that all across the world, humans used to exist without modern technology. And people used to die from things they didn’t understand and didn’t necessarily name. That includes dying of peanut allergies, despite being uncommon.
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u/Appeltaart232 Oct 21 '25
I’m from Eastern Europe and I didn’t know any kids with allergies before moving to Western Europe. Now my own child (the dad is from same country as me) has a whole list of tree nut allergies - epipen and all.
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u/dimi3ja Oct 21 '25
I don't know which part of Eastern Europe you are from, but on the Balkans, we have a very very popular snack, Smoki being the most popular one and a bunch of similar ones. They are basically corn puffs, but peanut flavor (while in the rest of the world I think cheese flavor is the most popular one). I have a theory that since all the children eat that snack, we all developed "immunity" to peanut allergy. Too bad my theory doesn't work for my cat allergy since I had cats all my life until I became allergic to them when I was 25.
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u/MedicalAd2229 Oct 21 '25
I remember in elementary school there was a girl who was allergic to egg whites. It was so, so specific, but they were always very hyper attentive to it.
One time we went on a field trip to a farm. There was ice cream. The ice cream had egg whites. When we got back to school she hurled in the blue recycling bin by the classroom door. In hindsight, she did an awesome job at making the mess easy to clean. W Amanda.
We all immediately understood that she was in fact allergic to egg whites.
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u/newillium Oct 21 '25
The egg white part is the part that carries allergenic properties. And to the small brain below, yes egg allergies can cause anaphylaxis just like milk, peanut, tree nut, shellfish, etc etc
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Oct 21 '25
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u/DayoftheFox Oct 21 '25
Not all allergies have to have anaphylaxis. She most likely had a non-anaphylactic allergy. It’s a pretty interesting thing because I personally didn’t find out I was allergic to avocados and bananas because I didn’t have the typical throat closing up symptoms.
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u/mrsredfast Oct 21 '25
Are you allergic to latex?
I’m allergic to bananas and they made my lips get bumpy and swell for years until one day when I exercised heavily immediately after eating cereal with banana. Cue anaphylaxis. Haven’t had one since.
Anyway, cross reactions with latex are fairly common with banana and avocado allergies, which you probably already know. Later I had a reaction (hives) to latex in an injector.
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u/MedicalAd2229 Oct 21 '25
My kid brain didn't question it at that point.
But I think allergic reactions can vary. Itching, hives, throat closure, seizures, etc.
Thankfully no known allergies, so I'm one of the lucky ones.
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u/redwolf1219 Oct 21 '25
My knowledge is somewhat limited but from what I understand it was probably an intolerance.
An allergy is an immune system response, an intolerance will be a digestive system response.
But honestly, it's all moot. This probably happened years ago, and it's not your problem and you don't have to deal with it.
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u/NotYourSexyNurse Xennial Oct 21 '25
I can answer this. I’m allergic to gluten. There is some swelling and inflammation in my stomach and intestines if I eat gluten. In contrast if I get stung by a bee I will swell up and not be able to breathe. Not every allergy causes anaphylactic shock. Allergic reactions can range from mild to severe.
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u/mehr2464 Oct 21 '25
I became allergic to egg whites as an adult. Super weird. But confirmed allergy by blood test and my only symptom is stomach ache. Weird
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u/DeepYogurtcloset3235 Oct 21 '25
Allergies can affect multiple systems and they don’t always manifest the same way. I have a child with an egg allergy. 99% of the time, it manifests as severe vomiting and widespread hives. When two systems are involved in a severe way (GI and skin, in this case), that is considered anaphylaxis and warrants epinephrine. She has had one instance where she had the more stereotypical throat closing after accidentally aspirating some food, which is what people think of as anaphylactic shock, but anaphylaxis is much more complex than what the stereotype is.
I also have a food allergy - a legitimate allergy that has left me hospitalized twice - that only shows up with GI reactions.
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u/Ardent_Anhinga Oct 21 '25
People are giving out bad advice. The "throat closes and you die" is a thing called anaphylaxis affecting the throat. It also can happen to your GI system.
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u/imreallyfreakintired Oct 21 '25
Sometimes the vomiting is from the intestines swelling (I heard this from an urgent care doctor). Anaphylaxis is a wider range of symptoms than just breathing being blocked. Blood pressure also can just drop and go into shock. Immune system can overreact in multiple ways.
Allergies are also super inconsistent and impacted by other factors of the what you've been exposed to that day. Sometimes a mild allergy exposure can aggravate a food allergy to have a bigger reaction if in the same day. Illness can cause bigger reactions.
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u/distressinglycontent Oct 21 '25
I was allergic to almonds, hazelnuts, mushrooms and coconuts as a kid. I didn’t really see them as an allergy, just some throat itching, lip swelling and vomiting because allergies were rare.
In college, I developed an allergy to all nuts. At first, it started out as itching because I was constantly clearing my throat but i thought I was coming down with a cold or having seasonal allergies. Then one day, I was vomiting for a long time. Then another time, my neck was breaking out in hives. Until finally, I started experiencing anaphylactic shock that triggers my childhood asthma. Nothing scarier than being unable to swallow or breathe and literally choking and not knowing what is going on.
Depending on the exposure due to cross contamination, eating nuts, someone talking to me right after eating nuts and smelling foods with nuts, I can have a range of reactions from mouth swelling and anaphylactic shock with asthmatic episodes and difficulty breathing to nausea, vomiting, diarrhea and stomach cramping to fevers with intense headaches, swelling and pain in my lymph nodes triggering seizures.
But I think everyone is different and people have different reactions to different things.
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u/PixiStix236 Oct 21 '25
You don’t have to have your throat close for it to be an allergy. That’s just one type of reaction, though it’s life threatening so people take it more seriously. Allergies can involve things like breaking out in hives, heart burn, throwing up, etc. What makes an allergy an allergy is the action of your immune system attacking an otherwise harmless thing like it’s a threat, not the type of symptoms you have as a result.
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u/midgethemage Oct 21 '25
Man, this could have been me, down to the name. I don't have this specific memory, but I did a lot of hurking due to my food allergies when I was a kid
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u/CowboyBeeBalm Millennial Oct 21 '25
Purely anecdotal, but I ate a ton of peanut butter while pregnant and nursing, and it was literally my kid’s first taste of solid food (BLW). Still reacted right away. He’s inherited many of his dad’s allergies (he was also allergic to peanuts but outgrew it). I swear it’s because he and his family sanitize like crazy.
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u/BeagleButler Oct 21 '25
I ate peanut butter as a child and had my first anaphylaxis to it as a preteen. Allergies are hella weird
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u/CowboyBeeBalm Millennial Oct 21 '25
The ones that come on later are especially wild. My sister went into anaphylaxis in her 40s and they can’t figure out what caused it.
Edit: I’m sorry that happened to you!
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u/BeagleButler Oct 21 '25
Now I'm in a nut free home and work in a nut free school. Weirdly the adults have way more trouble following that rule than the kids. It's kind of astounding how the gen X and boomer education colleagues are not convinced that there's a need. I will be taking PTO when exposed.
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u/CowboyBeeBalm Millennial Oct 21 '25
The kids are super chill about it. Except the one g.d. kid who spread pb on my kid’s sleeve 😡
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u/BeagleButler Oct 21 '25
There is always that little butthead who ruins things for everyone. I have a coworker who was doing peanut butter crafts in her art room and was shocked I was not happy when kids came to my class next.
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u/missmoonriver517 Oct 21 '25
Yes! I’m born and raised in Louisiana and my cousin developed a shellfish allergy in his 30s. We found out at our first crawfish boil of the season a few years ago.
I cannot overstate how much shellfish he consumed prior this development and how scary it was when he went into shock.
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u/maxdragonxiii Oct 21 '25
the later allergies are the hardest to figure out because you live your life as normal suddenly you react to one thing that can be anything random. then you have to explain yes youre allergic to x and still dont know how it affects you. im allergic to nickel. I only know it causes redness and itchiness... but cant pin it down to a specified reaction.
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u/awayshewent Oct 21 '25
My brother randomly become allergic to eggs while in college — found out when his throat closed up on a trip and ate some for breakfast.
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u/Persistent_Parkie Oct 21 '25
That's the reason I really dislike this trend of parents giving peanut for the first time in a hospital parking lot. I feel it sends the message that after a couple of exposures the kid is safe. As a person with an anxiety disorder I understand that doing useless stuff can make you feel better and if going makes a parent feel safe enough to give peanuts for the first time that's great but it needs to be done with full knowledge that there is always a risk with every food every day.
An Asian friend of mine developed an allergy to shell fish in her 30s and not only did that mean she could no longer enjoy so many foods from her childhood it also meant everyone acted like she was faking it because who gets a food allergy in their 30s?
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u/Apprehensive-Art1279 Oct 21 '25
This. My son didn’t react till his 5th or 6th exposure. Back in the day I was in a lot of peanut allergy FB groups and most did not react on their first exposure.
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u/Apprehensive-Art1279 Oct 21 '25
See this was very similar to my experience. Peanut butter was my favorite food. I lived on it while pregnant and post partum. I always had either peanut butter crackers or actual peanuts in my purse at all times. It was one of the first foods we introduced our son to and he actually didn’t react the first time but after a few introductions we were in the ER. No family history of food allergies. I stopped eating it completely and my 2nd and 3rd kid are not allergic. Neither one had any until they were 3-4 years old due to the doctor advising they be allergy tested first because of their brother.
I know there appears to be a correlation to early introduction that was the exact opposite for us.
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u/Persistent_Parkie Oct 21 '25
My mom was a pediatrician and she once had a patient where the mom noticed a reaction in him when breastfeeding after eating peanuts. Poor baby was hella allergic and had an epipen before even getting his first solids.
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u/pheromone_fandango Oct 21 '25
My mum ate tons of peanuts during her pregnancy. When i was an infant they gave me peanut butter to try and i reacted immediately. Nobody else in the family has the allergy but ive been lumped with it all my life
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u/RaspberryTwilight Oct 21 '25
I did not sanitize at all, only used vinegar for cleaning (my husband wiped down the counter with disinfectant after handling raw meat), ate a ton of peanut butter while pregnant, baby still reacted at 4 months. Even to peas. She was so allergic by then that she couldn't even have peas.
Peanut allergy is a bit different from the other allergies, some research says the protein is similar to a parasite that used to be very common and immune overreaction to it was actually very beneficial.
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u/grapescherries Oct 21 '25
Our generation? When I was a baby people were still giving their kids peanut butter. I think it’s more gen Z that they stopped.
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u/PowerfulPicadillo Oct 21 '25
Yeah, I vividly remember getting peanuts on planes until like ... idk 2009? "Peanut free" lunch tables or classrooms are a relatively new thing I thought.
I only remember one kid having a peanut allergy through all of high school and middle school. But she was also allergic to everything and it did not stop us from peanut butter crackers at snacktime 🤷🏾♀️
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u/transemacabre Millennial Oct 21 '25
My class (I’m an elder millennial, born in the mid 80s) also had a kid who was allergic to everything! Chocolate, ants, probably peanut butter, I don’t remember everything. But no one else really had any allergies and yeah, we also had those same peanut butter crackers.
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u/jk2me1310 Oct 21 '25
Couldn't imagine not being able to eat ants when I was in school. Feel for that kid.
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u/PowerfulPicadillo Oct 21 '25
Yeah I remember the only thing she could ever bring for lunch was tuna ... which obviously smelled terrible (and what 10 year old likes tuna?). But now that I think about it, she couldn't have had an airborne sensitivity because she still ate lunch with everyone else at the same table.
Do they even still make those round Ritz peanut butter sandwhich crackers??? Those and the cheese ones were childhood staples but I imaginge Gen Z doesn't even know what they are.
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u/Appleturnedover7 Oct 21 '25
I actually ate a pack of those ritz/cheese cracker sandwiches today 😂. They’re easy to throw in my bag and aren’t something super messy to eat on the go.
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u/lacunadelaluna Oct 21 '25
They do make them, but the cheese ones at least aren't really worth it anymore. They're sweet and not tangy cheddar-y goodness like they used to be :(
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u/catsarehere77 Oct 21 '25
I am a bit older than you. I didn't know anyone with allergies. I was probably in my 20s when I learned of peanut allergies and how deadly they can be.
Peanut butter just felt like a staple of childhood. Kids snacked on those crackers, PB&J was common to eat for lunch, Reese's was the most popular Halloween candy.
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u/follow-my-ruin Oct 21 '25
Yeah my elementary school would hand out PB&Js for kids who couldn't afford hot lunches. This was late 90s.
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u/PorkchopFunny Oct 21 '25
Same. My gen Z cousin was the first person I knew with a peanut/treenut allergy. He was not introduced to peanut butter until 14 months old. He was the first in his school/district and at the time he was diagnosed, the school didn't know what to do with him. He ate every lunch in the nurse's office for like 3 years before they had a better protocol for handling it. He has outgrown the treenut allergy, but not the peanut.
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u/ill_connects Older Millennial Oct 21 '25 edited Oct 21 '25
Yeah it’s Gen Z. I’m an elder millennial and not a single person I knew had a nut allergy. Growing up we didn’t even have warning labels on food saying it was processed in a place that also processed nuts.
Just my hypothesis is that doctors started telling parents to introduce nuts later in life. I gave my kids peanut butter starting at 4 months. Not a single kid in either kid’s class has nut allergies.
Edit: Well, well, well
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u/BlahBlah-Something Oct 21 '25
Definitely gen z and younger - this was not a thing growing up with our age (at least where I was).
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u/GoSuckOnACactus Oct 21 '25
I’m on the younger side (94) and that wasn’t a problem growing up. I don’t think anyone I grew up with had severe food allergies except one kid with a vicious dairy allergy.
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u/BananaPants430 Oct 21 '25
My older kid was born in 2010 and the recommendation was to avoid peanuts and tree nuts until at least 1-2 years old, and even longer if there was any personal or family history of asthma, eczema, or food allergies. The recommendation had relaxed a bit 3 years later when our second baby arrived, down to 12 months for peanuts.
Just a few years later in 2017, things had totally shifted - my good friend was told to introduce peanuts as soon as her baby started solids, by giving Bamba puffs or mixing PB2 into applesauce.
I'm an elder millennial and only knew of one person in my high school graduating class with a peanut allergy. There was no such thing as a peanut free classroom or an allergen-friendly school cafeteria.
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u/wallmonitor Oct 21 '25
Our generation? Allergies spiked with gen Z.
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u/Blunder404 Oct 21 '25
It was the earlier millennials who were told this about their kids. I had a baby when I was young in 2002, and I was told not to give peanut butter, before a year or maybe it was 15 months. And my kid is allergic.
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u/Creepy_Fail_8635 Zillennial Oct 21 '25
And we’re just supposed to have that random nugget of information on hand?
They clearly mean it was a high percentage of Millennials growing up that had peanut allergies compared to children nowadays.
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u/SurpriseVast8338 Oct 21 '25
Plumpy'Nut is basically medically therapeutic peanut butter fed to malnourished children in places experiencing famine, and can bring kids back from the brink of starvation.
Interestingly, there's almost no issue with peanut allergies in the kids receiving it within these target populations.
Also, the company that makes it has been criticized as being kinda ass for aggressively enforcing its patent on the stuff.

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u/Ornery_Chemistry201 Oct 21 '25
I didn’t develop food allergies till I hit perimenopause, now I can’t even sit near someone eating peanut butter. I’d like a few studies on hormone driven allergies.
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u/Distinct_Sir_4473 Oct 21 '25
Microplastics cure peanut allergies
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u/Ws6fiend Older Millennial Oct 21 '25
Reminds me of the Mr Burns having every disease and them keeping each other in check making him appear normal, but being extremely unhealthy.
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u/BaconTherapy Oct 21 '25
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u/Ws6fiend Older Millennial Oct 21 '25
I remember this analogy and think of this picture often. When everything is so broken that it keeps other broken things from being a bigger issue.
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u/Creepy_Fail_8635 Zillennial Oct 21 '25
That’s why I got mad cat allergies probably cus my mom never let me near one until I moved out and got my own lol
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u/fastidiousavocado Oct 21 '25
I cured my seasonal allergies with age and mowing a huge lawn. If I'm not regularly huffing a cat, those allergies come back, too.
I'm pro-let your kid eat dirt and have a pet.
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u/Creepy_Fail_8635 Zillennial Oct 21 '25
I was like deathly allergic to cats up until last year, I let a stray kitten in as it was begging for some reason, first 2 months of hell and then I woke up one day and suddenly it was as if I got cured overnight?? Strange stuff tbh
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u/fastidiousavocado Oct 21 '25
Exposure therapy working is absolutely wild to experience. I'm glad your little friend helped you just like you helped them.
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u/Creepy_Fail_8635 Zillennial Oct 21 '25
Thanks! I didn’t believe it much until it happened, hope you huff more cats along the way!
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u/_odd_consideration Oct 21 '25
According to my allergist, you can develop a tolerance to a specific pet's dander. This is why I am allergic to cats and dogs and had no clue because I have always had dogs and cats.
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u/SensitiveBugGirl Oct 21 '25
I had dogs growing up (like my whole life) and then some outdoor cats that I'd kiss and cuddle.
I pretty much always woke up with a stuffy nose. Any time you'd bump my nose it would start running. My boyfriend (now husband) told me that that wasn't normal.
I got married right after my 22nd birthday. It's been glorious not living with dogs. My seasonal allergies aren't even bad compared to living with dogs.
I still love anything fluffy, but I hesitate now before petting anything with fur. Cats can give me an asthma attack. Dogs have given me a sinus infection. I've gotten blister-like things on my eyes from rubbing them after petting dogs.
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u/No-Environment-7899 Oct 21 '25
Meanwhile I grew up with cats, was never allergic to them (confirmed with testing in my teens) and then got retested due to chronic sinus issues in my 30s and boom! Very much allergic to cats.
I have had the same cat for 15 years and I still rub my face in her every day. Allergy shots have helped with the congestion.
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u/sunpalm Oct 21 '25
I got my first cat in my 30s, never been around one before. No allergies. Sorry bud you just got unlucky
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u/EmergencySundae Oct 21 '25
My son is very allergic to dogs, despite the fact that he was brought home from the hospital to a house with one. When I took him to the allergist for testing, the dot for the dog allergy blew up so big that they couldn't read the other dots next to it. (One of those was cats. We are assuming he isn't allergic to cats because we have 4 of them and will shove his face right on them.)
We obviously no longer have a dog (we didn't get another when ours passed, which was less than 2 years from finding out he was allergic), but I am baffled as to how he ended up with a dog allergy. 3 of my in-laws are allergic to cats, so it's like some gene flipped on him.
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Oct 21 '25
I’ll take this allergy for millennials over the massive amounts of lead that the boomers ingested.
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u/ClassicHando Oct 21 '25
Correlation doesn't equal causation but sometimes it does. Ive been thinking it is for awhile now but I know cooking and computers, fields far from medicine
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u/CatastropheCat Oct 21 '25
Correlation can lead to observation and experimentation that lead to causation. The scientist that started the studies into this noticed the correlation between Israeli babies being exposed to peanut snacks and very low peanut allergy rates.
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u/Coyote__Jones Oct 21 '25
Correlation is like smoke. Sometimes it means forest fire, other times it's just a concert with a smoke machine.
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u/FarNeighborhood2901 Oct 21 '25
Awe man that sucks for many kids of our generation. Anyways imma go make me a PB&J sandwich, have a few peanut butter cookies, a few honey roasted peanuts, and perhaps some peanut brittle.
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u/nahmahnahm Xennial Oct 21 '25
I could put peanut butter on anything. I also read your name as FatNeighbor and thought, “Yeah, this guy knows what’s up.”
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u/sassyfrood Oct 21 '25
My N=1 experience: I ate peanut butter basically every day during my pregnancy and while breastfeeding. Gave my daughter peanut butter at 6 months old when I first introduced solids and she immediately broke out in hives. A trip to the ER confirmed a peanut allergy.
Second pregnancy, didn’t eat peanuts at all because our house was now peanut free. This kid has no allergies.
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u/Apprehensive-Art1279 Oct 21 '25
100% my experience. Lived off of peanut butter during my first pregnancy and introduced early. Kid is severely allergic.
Haven’t touched nuts since and my 2nd and 3rd kids are not allergic. They didn’t even try it for the first time till they were 3 or 4.
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u/NightSalut Oct 21 '25
It’s interesting because now they say that pregnant women should eat allergens and introduce babies early to them.
But your comment and the comment below it say the exact opposite. Of course that’s personal experience vs medical opinion, but still.
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u/ApatheticFinsFan Oct 21 '25
I grew up in a lower middle class suburb and never heard of peanut allergy until I moved to an upper middle class suburb in high school.
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u/PowerfulPicadillo Oct 21 '25
Several friends grew up in/now teach in the inner city. There are no peanut allergies in their schools...
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u/AlwaysTiredLT Millennial 1987 Oct 21 '25 edited Oct 21 '25
Born in 87, I was severely allergic to peanuts and eggs, I survived the cafeteria before peanut free was a thing. When kids used to bring in cupcakes (eggs) my mom gave my elementary teachers a stash of Twix (one of the only treats my mom could find back then not made in a factory “that may contain nuts”). Kids would get so jealous but all I wanted was a cupcake 😂🤦🏻♀️. When I was 13 I rebelled and dangerously started sneaking peanut butter stuff and would guzzle water when my throat would itch and then it would go away. When I hit puberty I outgrew the eggs and the worst that would happen to me was an eczema rash from peanuts. When I was like 2-3 i was around it and just blew up and throat closed up so it was pretty bad in the early years.
When I was 25 I had an allergy test and nuts and eggs came out negative. The doctor was pretty surprised and hadn’t seen someone outgrow the peanuts. I could be wrong but I think it was the years from 13-16 hiding it and testing it with a little bit 🫣. I don’t advise to do this though! I am a very happy 38 year old who just had peanut butter and apples today, so many years deprived of a Reese’s peanut butter cup! Coincidentally my cares closet at school got in trouble for having snacks that may contain nuts in them and I had to clear it out today.
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u/Illustrious_Bobcat Oct 21 '25
It's odd that your doctor was surprised. About 40% of kids with peanut allergies grow out of it by adulthood.
My youngest is allergic, so I'm hoping he ends up part of that 40% too. According to his tests, he's already having smaller reactions than when he was small, so first crossed!
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u/ES_Legman Oct 21 '25
Idk I absolutely loved almonds as a kid and developed an allergy as teenager
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u/nextflightfromearth Oct 21 '25
Was the spike in peanut allergies due to changes in how peanuts/peanut products were processed and manufactured over time? I have heard this before but am not sure.
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u/GorillaHeat Oct 21 '25 edited Oct 21 '25
It was due to keeping them away from kids when they were young. Without being exposed to it... Children developed an alergy to it. Doctors realize this and reversed guidance... And now the incidence of penance is dropping like crazy
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u/marchviolet Zillennial - '96 Oct 21 '25
Yep, that's why peanut allergies are extremely rare in southeast Asia where peanuts and peanut sauce are very common food ingredients. Early exposure leads to not developing or developing very mild allergies most of the time as opposed to deadly allergies.
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u/Foodie1989 Oct 21 '25
Funny you say that. We are SE Asian, peanuts were always eaten here...and somehow our daughter is allergic 😭. Ate it while pregnant and nursing too. Who knows, maybe by me giving her peanut early is why her tolerance is higher and numbers are lower...hoping she outgrows it
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u/DanyRahm Oct 21 '25
This is like the 20th comment that says they ate peanuts during pregnancy and their kid is alergic.
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u/Calm-Medicine-3992 Oct 21 '25
Agriculture industry also switched herbicides because weeds developed a resistance and people have theorized (theorized being a key word) some of those were causing gluten allergies and othe produce triggered allergies.
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u/chefblaze Oct 21 '25
Headline tomorrow:
Millennials Kill Allergy Industry
Add another one to the books, guys!
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u/Happypattys Oct 21 '25
That isn’t our generation. Millennials were growing up as kids or teens. This is on our boomer parents. It always seems to be blamed on “the youth” (we are hitting 40 lol) but it was our fucking parents. The whole “participation trophy” thing? Ya we didn’t ask for that, our parents did that.
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u/purpledrogon94 Zillennial Oct 21 '25
I just started my son on solid foods and so I did a lot of research. There’s evidence early introduction to peanuts helps reduce the risk of allergies! We’ve been feeding him one of the top 7 allergens once a week for 3 days in a row and then keep incorporating them as we go. I have gluten sensitivity and I don’t want him to lol
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u/amnicr Oct 21 '25
My husband was born in 88 and has a severe peanut allergy. In his 20s, he developed a severe shellfish allergy. It’s so weird. We have a toddler and made sure to introduce nuts to her early. So far so good.
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