Yep. That documentary, Super Size Me, talks the same thing.
The coke is the worst case - I see so many people addicted in coke these days, and with so little instruction about chemistry and biology...
(Phosphorus vs. calcium equilibrium goes to hell when you drink too many coke.)
Tomorrow they'll be selling coke in 1gl glasses, and someone will buy it. And, 20 years after, complaining about the bones.