• jadero@lemmy.ca
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    8 months ago

    Ingesting gasoline is deadly in far smaller doses due to something called hydrocarbon pneumonia. My dad very nearly died as a result of having a tiny amount get past his throat while siphoning gas to a small engine’s tank.

    If you must siphon gas, go buy a cheap “pump siphon” from Canadian Tire.

  • SoonaPaana@lemmy.world
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    8 months ago

    This is a very very cool graphic. Really highlights that MSG is needlessly antagonized. Also so weird to see sarin and nicotine next to each other.

    Marketing is a bitch.

      • neo@feddit.de
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        8 months ago

        I wonder how they came up with the LD50 of all those materials, like THC and LSD. Is this based on theoretical calculation, in vitro tests, or on a (assumably) very small sample of known deaths?

        • yetAnotherUser@feddit.de
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          8 months ago

          Step 1: Feed/Inject mutliple rat populations with different concentrations
          Step 2: See how many die.
          Step 3: The concentration which causes 50% of the population to die is the LD50

          • neo@feddit.de
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            8 months ago

            While I was thinking you were yet another user, you were a rat the whole time! Wait, we are all rats!

            Jokes aside, animal testing as a data source seems reasonable to me. Thanks

  • rmi@feddit.de
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    8 months ago

    I can ingest nearly 10g of uranium and not die?

    Interesting.

    • user134450@feddit.de
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      8 months ago

      I think they are referring to Uranium with natural isotopic abundance. Which is complete bullshit when you put a picture of a nuclear power plant behind it – which in most cases can not function with the natural isotopic abundance (heavy water reactors being the exception, not the rule).

    • ChaoticNeutralCzech@feddit.de
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      8 months ago

      Depends on the isotope, of course. There are different ways it can hurt you.

      • If you put together a critical mass of ²³⁵U, it undergoes fission and you die in seconds without needing to ingest it.
      • Naturally ocurring uranium (²³³U-²³⁸U, mostly ²³⁸U) has a half-life of billions of years, so it’s very weakly radioactive. It would take a lot of it to harm you from decay radiation. Or very little if you pick a very unstable synthetic isotope outside the 233-238 range (but every element “has” such radioactive isotopes, though not in nature).
      • Uranium is chemically toxic, which is whal will kill you if you ingest a small amount of a common isotope.
  • ugh@lemm.ee
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    8 months ago

    Tylenol is easier to overdose on than NSAIDs. I really don’t think this guide is accurate. I’m really questioning the placement of cocaine and especially ketamine. Vitamin D from the sun? Lethal? I don’t believe black widows are that venomous, either. How are they even measuring this? Cocaine will give you a heart attack, Tylenol will shut down your liver, venom acts like an infection… are they basing lethal dose on how much it takes to cause some kind of fatal reaction, or under a controlled administration with a defined “fatal dose” based on a specific measurement, like damage to a human cell?

    • ChaoticNeutralCzech@feddit.de
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      8 months ago

      This only compares the risk of death, not other health problems. Also, gasoline is way more readily available in pure form than most other substances, and nobody would drink it voluntarily.

      • ChaoticNeutralCzech@feddit.de
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        8 months ago
        • It is not a guide, I agree
        • It is not trash: there are flaws in the presentation but all data is accurate. You need to read and understand the top text to interpret it correctly.
          • ChaoticNeutralCzech@feddit.de
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            8 months ago

            Yeah, they should tell you how to administer each to maximize toxicity in humans. And the ingredients. And what equipmemt you need. And the preparation steps. And how to conceal the dose. And how to pin it on someone.

            Come to think of it, that also solves the “not a guide” problem.

  • festus@lemmy.ca
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    8 months ago

    What’s the denominator here? Like water is toxic at 90g/1kg, what’s the other 910g? Because I definitely drink over a litre of water a day and I’m doing fine.

      • Wandering_Uncertainty@lemmy.world
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        8 months ago

        It’s complicated. Short version, over a small amount of time.

        In the case of water, how it kills you is by diluting your blood, basically. Your kidneys will be working extremely hard (and quickly) to empty out the excess water, so for the most part, you’ve got to drink much faster than your kidneys can work.

        That said, it’s not just speed - other stuff gets cleaned out with your urine, like certain vitamins and such. Drinking excess water over a long time, but significantly more than what’s on the chart, will drain you of certain nutrients / electrolytes, and that’ll screw you, too.

        Drinking sports drinks in that quantity could actually sidestep that particular problem, drastically raising the amount of water you can take in.

        One way or another, though, while it’s possible to hurt or kill yourself from drinking too much water, you have to bring it to some serious extremes and your body should be vehemently complaining during this process.

        If ever you think you’re doing something extreme and might possibly be slightly risky in this regard, just drink some electrolyte heavy stuff instead for a while - Gatorade, Powerade, etc. Then your only risk is basically outrunning your kidneys and your stomach should really be making you throw up if you try that.

        • ChaoticNeutralCzech@feddit.de
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          8 months ago

          You kinda mentioned that some substances bioaccumulate, but some also “biomultiply” like bacteria, viruses and prions. This plays a role in how a lethal dose can be administered to be effective.