Tastes like Buttah

My problem with the curious news that popcorn kills is the following:
Why do we need butter FLAVORING? Can't we just add the butter chez nous?
Having said that, I have noticed that movie theater popcorn makes me antsy. I don't know if it's the vast amounts of salt or something more sinister, but after eating popcorn I feel as if I had two cups of espresso. If anybody shares this experience, please come forward. We may have found a relatively healthier and much cheaper form of cocaine.