this post was submitted on 24 Mar 2025
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From the responses, the team learned that the ALS patients were not the only mushroom foragers in town, but they shared an affinity for a particular species that local interviewees without ALS said they never touched: the false morel.

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[–] someguy3@lemmy.world 85 points 1 week ago

The false morel contains gyromitrin, a toxin that sickens some number of foragers around the world every year; half of the ALS victims in Montchavin reported a time when they had acute mushroom poisoning. And according to Spencer, the human body may also metabolize gyromitrin into a compound that, over time, might lead to similar DNA damage as cycad seeds.

Fascinating.

[–] catloaf@lemm.ee 57 points 1 week ago (1 children)

Bruh, Gyromitra esculenta has been known to be toxic for decades. These people have literally been poisoning themselves. You might think they're tasty, but they're not so tasty as to be worth ALS.

[–] rockSlayer@lemmy.blahaj.zone 21 points 1 week ago (1 children)

Sure it's toxic, but not to ME

[–] exasperation@lemm.ee 4 points 1 week ago

I can change her

[–] blimthepixie@lemmy.dbzer0.com 41 points 1 week ago (3 children)

The morel of the story is...

[–] brrt@sh.itjust.works 32 points 1 week ago (1 children)

Yeh, there’s not mushroom for interpretation.

[–] EvilBit@lemmy.world 17 points 1 week ago (2 children)
[–] brrt@sh.itjust.works 14 points 1 week ago (1 children)

That’s nice to hear. Usually I need to grow on people.

[–] Jarix@lemmy.world 10 points 1 week ago (1 children)

I know what you mean, can be a real truffle sometimes

[–] EvilBit@lemmy.world 9 points 1 week ago

Amanita minute to get ready for some real talk in this thread.

[–] toynbee@lemmy.world 1 points 1 week ago

I lichen you guys.

[–] crystalmerchant@lemmy.world 1 points 1 week ago

False, there is no morel

[–] ElJefe@lemm.ee 0 points 1 week ago
[–] lostoncalantha@lemmy.world 38 points 1 week ago (5 children)

I feel like nothing good comes from mushroom foraging yourself unless you’re an expert. Seems very risky.

[–] shittydwarf@lemmy.dbzer0.com 49 points 1 week ago (2 children)

My mycology professor in university told us he had a doctorate in mushrooms and still wouldn't ever forage for wild ones

[–] Flemmy@lemm.ee 8 points 1 week ago

I still remember that X-files episode where they were investigating a mind controlling fungi that released a mind altering spore if you inhaled it.

[–] Dasus@lemmy.world 3 points 1 week ago (2 children)

Your mycology professor sounds like they've not really experience outdoors as much as in a city (and specifically a classroom).

I was picking shrooms around the same time I got my first puukko, so idk, four to five years of age.

https://yle.fi/aihe/a/20-137224

[–] shittydwarf@lemmy.dbzer0.com 22 points 1 week ago (1 children)

The implication was that some of the lookalikes are impossible to identify and wildly dangerous

[–] Carrolade@lemmy.world 21 points 1 week ago (1 children)

If an edible variety has any lookalikes that similar that can be found in your climate zone, you need to steer clear from it. This isn't the case for all varieties and all areas though. General mushroom foraging may be dangerous, but certain species can be safely selected, due to not having lookalikes you need to be worried about.

Which these are requires learning specific to your local area though. The skills do not transfer to other regions, and everything you know would need to be reconfirmed if you moved anywhere new.

[–] silence7@slrpnk.net 12 points 1 week ago (1 children)

Exactly. There's a reason I won't eat any Amanita: the similarity of edible and deadly species in that genus makes them the main source of mushroom fatalities in North America.

By contrast, messing up a bolete ID is likely to result in a meal that is too bitter to eat. That's a much more acceptable risk.

[–] Dasus@lemmy.world 7 points 1 week ago (1 children)

Well A muscaria is rather easy to identify, but it's not really a cooking shroom.

What the earlier dude is what I meant, and why foraging for shrooms is safe as houses if you get taught by a person who has foraged mushrooms in that habitat and knows what's safe to pick and what isn't.

Which is why it's easy enough to teach to pre-school children in certain places. Like here.

It's not the same everywhere, ofc.

[–] evasive_chimpanzee@lemmy.world 1 points 1 week ago* (last edited 1 week ago) (1 children)

Looking at the wiki page for gyromitra, it looks like it's sold for consumption in Finland. Were you taught it was safe to eat?

[–] Dasus@lemmy.world 2 points 1 week ago* (last edited 1 week ago) (1 children)

Oh no.

https://fi.m.wikipedia.org/wiki/Korvasieni this one

We call it "the ear mushroom", and while it was highly priced and I was taught to look for them, I was also taught it's poisonous and has to be.. (one moment I don't have the English term for a thing, this hasn't happened in a while, but I don't cook mushrooms so) blanched (oh wait really? In Finnish there's a specific term blanching that is imo mostly only used in context of shrooms "ryöppäys") for three times, iirc. Edit I checked and you boil them, blanching is more a short term thing but the Finnish term is bendy but anyway I was taught they are poison but also good eatin. At least Twice for five minutes, changing the water in between to fresh and then discarding it. Three parts water to one part shrooms at least.

So yeah. It's a priced and edible mushroom, but also it is poisonous. For no reason I assume Japanese people might talk to their kids about blowfish in much the same way my dad talked about korvasieni. As in you'd let the kid know not to eat it, but also talk about how good it would be to eat one.

I don't think I've ever even had any.

That sounds similar to lupin beans.

In America, we have pokeweed, which everyone knows is toxic, but people eat it after boiling 3 times (I don't think we have another word for that).

A lot of foraging books talk about boiling and/or soaking to make things edible, but usually it's to remove bitterness/astringency like with acorns. For something neurotoxic, I don't think I'd trust it, though.

[–] MintyFresh@lemmy.world 18 points 1 week ago (2 children)

Or maybe he thought that was the wisest thing to tell a group of 18-20somthings. Not a demographic known for cool deliberation or self preservation. There's a reason the draft starts at 18 but you can't rent a car til you're 25.

[–] Dasus@lemmy.world 3 points 1 week ago

So they decided to lie about not foraging for mushrooms?

Doesn't really make sense to me.

Honestly, a professor of mycology not being able yo to forage mushrooms? Just where do these people live that there's no solid edible shrooms which have no fatal similar looking ones, like chanterelles or winter chanterelles?

Idk, maybe in the US there's similar species in areas with them so it's kind of a gamble, but we don't, so foraging is a-okay.

As long as you know how and what to forage for in the specific area you are, you should know whether you can or can't forage edible shrooms easily.

I wouldn't be certain I've found penny buns although I know how to ID them, roughly, but because of the phenotypical variation and not remembering all the strains which are similar, I wouldn't confidently forage those. I don't recall there being anything too poisonous that's close to it, but still.

[–] vxx@lemmy.world 2 points 1 week ago
[–] silence7@slrpnk.net 15 points 1 week ago

If you know what you're doing, you get incredible deliciousness.

[–] Enkers@sh.itjust.works 14 points 1 week ago* (last edited 1 week ago) (1 children)

There are plenty of forageable mushrooms with no look-alikes. If you're cautious and thorough, it's not particularly risky.

And by thorough, I mean:

  • actually learning to properly identity mushrooms before you ever consider eating them
  • learning from someone else with experience
  • verifying that what you're learning is correct in a book (for your specific region) and on the internet
[–] silence7@slrpnk.net 18 points 1 week ago

And these days, that means making sure it's a book written by someone who knows what they are doing, rather than AI auto-generated bullshit.

[–] angrystego@lemmy.world 4 points 1 week ago

It's the same as using wild herbs. You have to really know what you're doing. It's not impossible to learn, though. First you need to know an expert and learn some basic species that are hard to misidentify. Then you can just stop there or continue.

False morel, despite the name, is not really something you'd confuse for a morel. If the only description I gave you of a morel was 1 sentence long, maybe you'd grab a false morel by accident, but if you've ever seen a picture, or any longer description than that, you wouldn't confuse them.

These people know which mushroom they are foraging.

[–] vk6flab@lemmy.radio 18 points 1 week ago (1 children)

I'd be surprised if this was the case, but:

Does this mean that ALS is entirely caused by external factors like the chemicals found in these mushrooms?

Better still, is it entirely caused by these mushrooms?

If so, that's amazing news for humanity.

[–] silence7@slrpnk.net 13 points 1 week ago

Definitely not 100% external. A chunk of cases are known to be genetic.

And these people were eating a mushroom known to be mildly poisonous.

[–] engene@lemmy.ca 3 points 1 week ago

Scary stuff! 😱