Minor Eating Food with Prions in it doesn’t give Kuru anymore

[Prichard]

I like the duration concept. It seems more faithful to real exposure than instant infection anyways. Plus it might give someone a chance to throw up

I can think of a few things to look out for, if the depletion rate is faster than the digestion rate, there might be breaks in the presence of the reagent.
Slow metabolism gets hit worse