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 The current pop-sci theory is that arachadonic acid (an omega-6 fatty acid common in seed oils and which your body produces from linoleic acid, another omega-6 fatty acid in very very high concentrations in seed oil) is pro-inflammatory.  In my view, while this is not strictly wrong, it is misunderstood and people draw incorrect conclusions from this.

The takeaway I would suggest is that you cannot possibly know and acount for all of the psychological processes involved in anything.  Looking at one physiological process means nothing in a complex system like a human. Drawing some conclusion that "seed oils are inflammatory so you should avoid them" based on this fact in isolation is just folly.  To know the truth you have to expose a lot of these complex systems to a lot of seed oils.... and that has been done.  And nearly all of these studies show high seed-oil intake leading to longer lives, less heart dieases, less diabetes, and numerous other positive health outcomes.

And no, I don't work for big-canola. 
 s/psychological/physiological/ 
 Fun fact: over the past few months, I realized my chronic migranes go away when I avoid carbs. I'm already largely seed-oil free, but just one handful of potatochips (I used to daily indulge in much worse) is enough to trigger a headache. Is this proof positive you are wrong and I'm right? By no means, only that keto has given me a way to manage my diet in a sustainable way while other diets do not. 
 I recommend avoiding potato chips whether they give you migraines or not. 😂

And there are lots of food sensitivies.  You just have to figure out what works for you.  I don't think medical science can tell you.  I cannot handle whole wheat - my gut dumps itself... but I can have white bread no problem so it's not a gluten thing.  In any case I gave up wheat for 3 weeks and my IBS is gone.  I've had a full week of amazing poops.  So I am definitely sensitive to wheat.  For some people it is FODMAPS but on me they make no difference.  Cabbage, beans, I handle these just fine.

I'm not even anti-Keto.  I think a 100% sardine diet is near ideal. 
 If i could make a short list of ubiquitous stuff I don't want my kids eating it would be this, and in this order:

1) Soy and flax anything
2) Artificial sweeteners, preservatives, flavorings, colorings & fortifications (e.g. enriched wheat)
3) Yellow prussiate of soda, anti-fungals and anti-yeasts (such as magnesium sulfate)
4) Oils high in alpha-lineolenic acid (but I repeat myself)
5) Any plant exposed to weed-killer (glyphysate)
6) Fluoridated or reverse-osmosis water
7) Hydrogenated oils
8) Shellfish, mussels, eels, pork and rodents (squirrel, raccoon, etx)
9) Wheat with bran and/or germ (whole wheat)

Yes, I know, you didn't ask 
 Interesting list.  My list is far too boring to compare to that one:  tobacco products, hydrogenated oils, deep fried foods, high sugar foods, low fibre foods (except meats), alcoholic drink > 15%.  Oh wait, I don't have kids so I don't have a list. 
 Ok I have to ask about reverse-osmosis water.... or am I opening Pandora's box?  My understanding is that a membrane with tiny holes only allows water to pass through and so on one side you get pure water. 
 Pure water will kill you. You NEED specific minerals dissolved in your water. That link nostr:nprofile1qqsgydql3q4ka27d9wnlrmus4tvkrnc8ftc4h8h5fgyln54gl0a7dgspzemhxue69uhhyetvv9ujuurjd9kkzmpwdejhgqg5waehxw309aex2mrp0yhxgctdw4eju6t0qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyfehcpn posted a while back with the woo-woo "sailine" guy is closer to the truth than you might assume. Look up "The Water Book" for homebrewers written about a decade ago if you want to understand what "good" water actually is made of. 
 By the way, I learned the hard way, almost all bottled water is reverse osmosis. They do this to remove bacteria so it doesen't get skunky.

And get this: "spring water" is also typically also reverse osmosis and treated with ozone (made into low concentration hydrogen peroxide). If its called "mineral water" they add minerals back in after all this.

AND! its bottled in PET or HDPE which leeches microplastics and other zenoestrogenic and endocrine disrupting plasticisers.

So: you can't drink tap water, you cant drink bottled water, you can't drink RO water,.. WHERE TF DO YOU FIND WATER?

Ideally, get water directly from a deep aquafer or natural spring that has about 15 grains of calcium carbonate is free of heavy metals, arsenic and other poisons. Haul it if you need to. Buy a few 5 gallon glass carboys and a pottery, glass or steel dispenser.

If this is out of the question, install a RO system and remineralize the water yourself. This is called "adding brewing salts" and "adjusting your water" for beer brewing.

A third option, possibly the most expensive and produces safe but not necessarily ideal water (in my opinion,) yet is a good preparedness item, is a Berke with an activated charcoal stage and put tap water or low quality well or spring water through it. 
 You mentioned anti-fungals and anti-yeasts. You should add anti-biotics.

Here is a bacterium 70% of Americans don't have anymore, probably due to antibiotic use, which degrades oxalates and prevents kidney stones: Oxalobacter formigenes
https://www.youtube.com/watch?v=aO1Ir0JJ7as

Who knows how many other good bacteria we have been slaughtering in order to wipe out Hamas... *ahem* I mean...  
 Reason 💯 why I don’t 🌈 even 🔥 talk about btc anymore. 🤔 I don’t care to try to save them relay.primal.net 
 Sardines! 
 If people are associating seed oils with fried foods, potato chips, other fast foods, etc... then yes, get rid of that stuff.  But it's not IMHO the seed oil itself, it is how that oil is used, brought far above 200C causing it to partially transform into trans-fats, being put in contact with starches which then create acrylamide, etc.  Deep fried is deadly.

But if you put seed oil on a salad, or eat sunflower seeds, or even saute with a seed oil (saute stays below boiling), IMHO they are fine (and we can disagree, I'm fine with disagreement).

Anyhow, maybe that distinction makes a difference. 
 The potato chips I'm refering to are made in avocado oil 
 I didn't know that was done. 
 𝐅𝐨𝐫 𝐦𝐨𝐫𝐞 𝐢𝐧𝐟𝐨, 𝐪𝐮𝐞𝐬𝐭𝐢𝐨𝐧𝐬 𝐚𝐧𝐝 𝐢𝐧𝐯𝐞𝐬𝐭𝐦𝐞𝐧𝐭 𝐠𝐮𝐢𝐝𝐞 &𝐭𝐢𝐩𝐬 

𝐆𝐞𝐭 𝐢𝐧 𝐭𝐨𝐮𝐜𝐡 𝐰𝐢𝐭𝐡 𝐦𝐞 𝐧𝐨𝐰 𝐯𝐢𝐚 𝐬𝐢𝐦𝐩𝐥𝐞𝐗 🔗
https://simplex.chat/contact#/?v=2-7&smp=smp%3A%2F%2FenEkec4hlR3UtKx2NMpOUK_K4ZuDxjWBO1d9Y4YXVaA%3D%40smp14.simplex.im%2FSEKmN13uyX4OJlUxco0z9Nm9bPd4pK_K%23%2F%3Fv%3D1-3%26dh%3DMCowBQYDK2VuAyEA7kBBMVqOcbeghKMFplSPoiLQ903hkK3qBKtF_C1-LEo%253D%26srv%3Daspkyu2sopsnizbyfabtsicikr2s4r3ti35jogbcekhm3fsoeyjvgrid. 
 This is true for many people 
 The truth is everyone needs to find out what works for them  - which simply means  - there is no cookie cutter solution . One has to invest times to understand their bodies - experiment with it and have faith in their own intelligence .. 

For example - the popular myth these days is Milk is bad !  My personal experience is it is the best gift to mankind  .. I can live on milk ..and may be some seasonal ruits  :-)