How a vegan diet could affect your intelligence

[Universe]

The vegan diet is low in – or, in some cases, entirely devoid of – several important brain nutrients. Could these shortcomings be affecting vegans' abilities to think?
https://www.bbc.com/future/article/20200127-how-a-vegan-diet-could-affect-your-intelligence

[Donhueas]

The almost total lack of cholesterol is one of the things that most affects vegans mentally

[zebruh]

I dont know but it definitely does something good.

I did it for a few weeks and my nails looked much healthier when I was on a vegan diet years ago.
But I'm too selfish and meat is too tastey for me.