Whoops.  I just wrote:

>Eaton does suggest, probably correctly, that most hunter/gatherers eat a LOT
>of protein, and I do mean a lot--probably five or six times as much as most
>people currently eat.  On the other hand some hunter/gatherers are known to
>eat practically none of it and be healthy.

That should say "fibre" above, not protein.  Eaton suggests that
hunter/gatherers usually eat huge amounts of fibre.  He also suggests that
most of them eat more protein than most Americans do but that's a
completely separate issue.