What's good in small concentrations, but lethal in higher? What's a glaring red flag you're encroaching on a lethal concentration?

ilex@lemmy.world to No Stupid Questions@lemmy.world – 102 points –

Like Fluoride or Oxygen.

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Yeah but then that could be said about literally everything.

Which is why everything has a fatal dose

But it's a nothing comment. Water has an LD50. It's 90ml/kg. LSD has no known LD50 and has not been the sole cause of any known death. Drowning in it would not mean you died from LSD toxicity, you would die from asphyxiation. Sand doesn't have a lethal dose but can still kill you. But it wouldn't be from sand overdose.