This infographic by My Modern Met, shows the history, consumption, and other fun facts about fast food.
A Carl's Junior milkshake has more calories than the average daily intake of some countries.
The facts with the most EWWW punch have to be that a burger may contain meat from up to 100 different cows, and 50% of soda dispensers contain fecal matter!
Perhaps this graph will help a few people get off the junk.

