[Food] Eating is for chumps, says 24 year old engineer

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I can see it within small bounds if the behavior then affects the environment in a way that then causes issues for those that haven't adapted. Using Yoshi's idea: people only drink Soylent, which (hypothetically) leads to less tooth hygiene, which leads to ... I don't know, it's already become ridiculous in my head. I'll be interested to see the reference if you have it, because right now it's beyond me.
Its not less teeth hygiene, its less teeth usage. If our species were to consume only liquids we wouldn't need to chew, and if we wouldn't need to chew than we wouldn't need teeth. So over millions of years, our species would theoretically evolve with less and less efficient teeth possibly even making them vestigial. And possibly over time our descendents would evolve without teeth altogether. Of course this would only happen if the entire species of humanity only drank liquids so I'm not necessarily worried....yet.
 
Its not less teeth hygiene, its less teeth usage. If our species were to consume only liquids we wouldn't need to chew, and if we wouldn't need to chew than we wouldn't need teeth. So over millions of years, our species would theoretically evolve with less and less efficient teeth possibly even making them vestigial. And possibly over time our descendents would evolve without teeth altogether. Of course this would only happen if the entire species of humanity only drank liquids so I'm not necessarily worried....yet.
:facepalm:
That's still not how evolution works.

This is how evolution works:

You get to level 16, and then you get to level 36.
 
Its not less teeth hygiene, its less teeth usage. If our species were to consume only liquids we wouldn't need to chew, and if we wouldn't need to chew than we wouldn't need teeth. So over millions of years, our species would theoretically evolve with less and less efficient teeth possibly even making them vestigial. And possibly over time our descendents would evolve without teeth altogether. Of course this would only happen if the entire species of humanity only drank liquids so I'm not necessarily worried....yet.
Let's put it this way: people will still be attracted to a pretty smile, so teeth genes will keep being passed along.
 
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