The carnivore/keto/paleo diet is why you feel dumb as early as your 20s.

No.11627342 ViewReplyOriginalReport
https://www.sciencedaily.com/releases/2010/11/101115112727.htm

>The brains of mice fed a high-fat diet for an extended period of time showed irreversible changes in areas associated with reward and pleasure, a new study has found.

>The researchers found that the genes involved with reward were altered in mice fed a high-fat diet for more than six months.