Hydroxyapatite (HAP) toothpaste is a dental product that contains manufactured calcium phosphate. Calcium and phosphate are minerals that form 95% of tooth enamel and 70% of bones. NASA developed HAP ...

Now we're all checking our toothpaste tubes. As if conspiracy theories could get any more wild, now there's one involving the different kinds of toothpaste that we use. The theory, which was discussed ...

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