This has been common knowledge since before I was a kid in the 1990s, when the local dentist on the block would give out apples and toothbrushes instead of cand

This has been common knowledge since before I was a kid in the 1990s, when the local dentist on the block would give out apples and toothbrushes instead of candy on halloween, to the disappointment of many kids. And I don't think my local dentist was the only one. Soda (and beer) in particular is one of the worst, perfectly designed to destroy your teeth since it's not just highly sweet, but also acidic and also a liquid and thus able to coat every nook and cranny