[gamblor956]

Left out of this rant against the FDA is that the original product failed because it wasn't effective enough in rats to justify the expenses of a human trial.

There was a slight, statistically significant decrease in cavities. That's meaningful at the population level, but at the individual level you're better off just using mouthwash or flouridated toothpaste.

[cubefox]

> Left out of this rant against the FDA is that the original product failed because it wasn't effective enough in rats to justify the expenses of a human trial.

Source? The article says something else.