ahhhh, ok. answered my own question since I find that answer by waterskier2007 interesting. turns out it it IS due to the breakdown – therefore great answer hahmoore), it happens within 15 to 30 minutes of ingestion (amazingly fast!) and its not a certain amount of people who it effects, its a certain amount of people who are actually able to SMELL it!!! (around 40%) even weirder eh!