Posted on 02/03/2009 12:13:55 PM PST by Free ThinkerNY
That was my question too. Even jaws of steel would serve no purpose with no teeth.
Hardness may not be a factor. PSI is the secret. By adjusting the square inches with larger force applied to more square inches of teeth, the total force is increased.
I think Australopithicus had larger teeth.
what's lacking or in excess in our current environment that would cause a population-wide K2 deficiency? I've never heard of K2 :)
Well, people don't eat enough Vitamin K2. Vitamin K2 (MK-4) comes from the following sources:
Butter, Eggs, Marrow, Brains ...
K2 (MK-7) comes from these things: Natto, Aged Cheese, etc
The human body can convert K1 (Spinach, Kale etc) to K2, but not very efficiently.
Among many other things, the human body uses K2 to build enamel on teeth, strong jaws etc. It's also responsible from keeping bone healthy.
Hope that made you curious. PM me for a good link on K2
ok, of the four, three would probably be in early man's diet.
The human body can convert K1 (Spinach, Kale etc) to K2, but not very efficiently.
so, early man, who had stronger, more enameled teeth, might be more likely to have been a milenia-generational brain, egg and bone-cracking marrow eater, consuming a lot of K2 sources, before become more of a veggie/nut eater? Is that possible?
That's the theory. What makes you think that early man was a big veggie/nut eater ? Humans have been omnivores for a long time.
What makes you think that early man was a big veggie/nut eater ? Humans have been omnivores for a long time.
Well, sure, I agree. But I was questioning why less enamel today and going back to your supposition that less thick tooth enamel might be a multi-generational deficiency of K2,
so, if you can’t get a lot of K2 out of veggie’s, and early man was a leaf-eating omnivore, then why would early man’s tooth enamel be thicker 1.6 million years ago, then today, when man has more access to k2 sources?
the wild guess questions I’m supposing are, is the thicker enamel in early man genetic leftovers from some meat-eating ape ancestor, or Did man gradually lose the ability to manufacture K2? or did the gene for stronger enamel degrade??
http://www.newarchaeology.com/articles/earlyhom.php
...he became nicknamed “nutcracker man”, although Bosei appears to have been a leaf chewer. Leakey thought him to be fruit eating as the teeth are similar to chimpanzees. The omnivour diet would have composed of roots, seeds, eggs, fungi, insects and perhaps reptiles. There is no signs of bone crunching on any teeth.
why would early man’s tooth enamel be thicker 1.6 million years ago, then today, when man has more access to k2 sources?
Man has more access, but how many people actually eat marrow and brain? very few, I’ll wager.
... teeth are similar to chimpanzees.
Well chimpanzees do hunt and eat meat.
This is an awesome video of chimps hunting colobus.
http://www.youtube.com/watch?v=A1WBs74W4ik
the wild guess questions I’m supposing are, is the thicker enamel in early man genetic leftovers from some meat-eating ape ancestor, or Did man gradually lose the ability to manufacture K2? or did the gene for stronger enamel degrade??
Both are possibilities, but it makes it hard to check the third possibility (gene for stronger enamel) if we’re handicapping modern humans to start with.
... man has more access to k2 sources?
If you think about it, I imagine early man would have eaten the entire kill, brain, marrow and all.
btw, here’s a cool link about k2
http://wholehealthsource.blogspot.com/2009/01/vitamin-k2-and-cranial-development.html
thanks for the links/articles on K2 - it sounds very interesting ! :)
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