Wally Day wrote:
  Every source I've read
> that references a protein ceiling also states how
> difficult if would be to 'hit' or exceed that ceiling.
> Even on an all meat diet. I realize Steffanson coined
> the term to describe the ingestion of excessive
> protein.

Well, and why is it so difficult to hit the ceiling?
Stephansson diet was as I recall at 18% calories from protein.
The rest from fat, of course.
When he (had to) eat more he had to stop because of "nausea".
He had to increase the fat part, and on went the year.

> However, it is also commonly used to describe
> extreme fat-hunger.

That's the same thing, isn't it?

Amadeus