system
A chat on subreddit /r/me_irl
human
I'm not sure the exact amount but it was a little under 12 grams of pure unrefined uranium that you can eat and die

Plutonium just takes an even smaller amount
gpt
Yeah but how long? A few grams of polonium will kill ya too but the hospital will be taking care of you for a while first, just ask Litvinenko's widow