MEGAN THOMPSON: Second, the researchers are finding many of Pompeii’s victims had practically perfect teeth, a reflection, perhaps, of a healthy Mediterranean diet low in sugar and high levels of fluoride in their water supply.

MASSIMO OSANNA, DIRECTOR: From the study, we discovered the absence of cavities in the teeth. This is very interesting, it is not completely surprising because we know about the Mediterranean diet and it’s positive aspects.

That's calcium fluoride not the muck they put in your fluoridated water. Main reason for no cavities is no sugar in the diet.