Why are SKULLS, thousands of years old that get FOUND, still have teeth in them but my teeth rot out easily from my skull and I have an immune system and those skulls sit in dirty?
In: Biology
In addition to what has been said, tooth decay is also mostly a modern problem. Not that it didn’t happen before, but it’s generally the result of eating lots of sweets and sugars, which we have access to in abundance, but most of our ancestors rare ever had. So those old skulls mostly belong to people who rarely or never ate sweets and thus had very little tooth decay.
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