Dr. Kennedy continues to say that if he presumably comes up with an arsenic toothpaste, it’ll be regarded as safe since we will spit it out.
But, we can’t just spit things out of our mouth. The level of fluoride in the blood rises even if you do a topical treatment or give a dab of toothpaste to your kids, and make them spit it out.
The mouth absorbs everything that goes in it, including the fluoride from the toothpastes.