Yeah coke is gross, why drink that syrupy stuff when Pepsi is available
Coke is awesome and is semi-healthy for you, unlike Pepsi. Myth Busters did a whole special on the many uses of Coke.
...most of which relied on it's acidity...
Better stay away from citrus fruits, then.
I'll just leave this here...
https://en.wikipedia.org/wiki/Acid_erosion (don't forget to check out that nifty pH chart)
There are worse things you can do to your health than drink Coke, but I wouldn't go touting it's health benefits.