If you still believe that soft drinks are maybe not the healthiest choice, but still safe enough, this is the video for you.
At 25 minutes in to the boiling process, this gets absolutely disgusting. (skip to 1:40 in the video to see the coagulated mess). What you are actually looking at is Coca Cola when all of the water has evaporated from the soft drink and you are left with only the additives and chemicals.
How is this sludge still being peddled as food?
This is what happens when you boil the most popular beverage in the world: