This is really an interesting thread. I am trying to think back on all my workplaces and see if they had any weird food "things" but I am actually pretty sure I have been eating at my desk since I've had a desk.
In one previous position we did have a break room and if I wanted to chat with friends (instead of surf the internet or do whatever else) I would sit there otherwise I would go to my desk no matter what I was eating (pita sandwhich or my leftovers).
Currently we have a really really ODD office. The kitchen is in the middle of this open area with a few tables shaped like Xs (very "Modern") that isn't near where anyone sits. There theres a huge open area with cubes without any walls, so basically just desks. Along the walls are the offices with doors. I am on the very end in a corner so I can usually get away with eating all manner of food without it bugging anyone.
My only "problems" (and they aren't really problems, just minor whines) with food and food odors in the office....
1. If I'm starving with cannot take lunch (or I already did and it didn't fill me up) and someone heats something up or brings something into one of the offices near me my stomach absolutely grooooowls. But this isn't something I think should be worried about by anyone other then me!
2. The dishes! We have a dishwasher and most people just load their own dishes. Someone (it might be 2 someones) always always leaves their dishes in the sink without even rinsing them! Arrrgh
3. Bad smells. I almost did this myself today. Me and SO have a favorite pizza place and always order a pepperoni and fresh garlic pizza. its delicious but imagine what it would smell like after a minute in the microwave.....So I think people should try to limit "strong" smells.
All in all what smells delicious to one person might be totally foul to someone else (Like the time I was eating smoked salmon on french bread topped with capers and a lemon wine sauce.... I got tons of ewwww but I was in heaven).
Hows that was wishy washy