Kuru comes from eating brain, and could be related to chewing pineal glands, which contain DMT.
Interesting, looks like quite a rare disease though, so not sure which would be more likely
>affects about one person in every one million people per year worldwide; in the United States there are about 300 cases per year.
That looks even more rare though
>Less than 250 reported cases as of 2012
https://en.wikipedia.org/wiki/Variant_Creutzfeldt%E2%80%93Jakob_disease
>When it has been transmitted to humans, it is known as new Variant Creutzfeldt–Jakob disease
https://en.wikipedia.org/wiki/Bovine_spongiform_encephalopathy