Well, there is chest congestion.

You gotta be careful with it as it can turn in to pneumonia and that can be deadly.

There is brain congestion, waaaaaaaay too many thoughts floating around in there.

'The epitome of the human realm is to be stuck in a huge traffic jam of discursive thought.' Chogyam Trungpa

'If your mind is empty it is always ready for anything, it is open for everything. In the beginners mind there are many possibilities, in the experts mind there are few.' Shunryu Suzuki