Out of all of the "internet challenge" videos, this one might be the grossest.
In fact, in Sweden, there's a disgusting food museum - and Surströmming is one of the "treats" that you can try. The exhibit has 80 different of the world's most disgusting foods - and there 10 different ones that you can try each day.
Think you're up to the task? You may rethink it after watching this woman try to eat some of the fermented herring.