By Mathias Eichler
Why this question?
Corrine Malcolm dives into this topic on IRunFar.
In the conclusion she writes:
However, take care of your teeth, and go light on the carbonated water.
According to my quick online sleuthing this conclusion doesn’t really match any science. According to medical research done in Germany the carbonation is too light to attack your teeth.
So drink your La Croix guilt free! How nice.