Does the poisonous White Lotus fruit really exist - and what would actually happen if you ate it?

Does the fruit in The White Lotus finale really exist?.

Trigger warning: This article contains mentions of suicide and homicide.

If, like so many of us, you've watched The White Lotus season 3 finale, you may have a lot of questions about the so-called "suicide tree" that's prominently featured in the episode. (And if you haven't watched the episode yet, we suggest you stop reading right here.)