"Why do McDonald's French Fries Taste so Good"
http://www.rense.com/general7/whyy.htm
This is old, so no doubt some have already read it or the book (the movie? i forget if there was a movie too), but if not I recommend reading the article. It will change your perspective. You'll never eat something with natural flavors again. I didn't after reading this (not knowingly anyway ). Inspired to post this by a question in another thread: "don't people know what foods are bad for them, why do they eat them?". Well they do to some degree (no one thinks soda is health food) and they don't to the full degree .... (information like in the article).