The smell of microwave popcorn makes me feel nauseated and irritates my sinus so badly that when someone opens a bag near me at work I have get well away from it.

But, now it’s possible that the chemicals used to flavour microwave popcorn may cause lung cancer!

http://www.msnbc.msn.com/id/20592711/

“This letter is a red flag, suggesting that exposure to food flavor chemicals is not just killing workers, but may also be causing disease in people exposed to food flavor chemicals in their kitchens,” Michaels wrote on his public health policy blog.