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 ...

For as long as I can remember, I have bought into the gospel of fluoride, believing that my teeth would surely rot out of my head without its protection. So it felt a little bit illicit, recently, ...