Amadeus Schmidt wrote:

>The reference of Loren Cordaine
>who I think is considered a paleo-authority on this
>list, is only one of many.

Not it's not. You should be aware that the studies that correlated calcium
loss with high protein diets used isolated, fractionated animo acids from
milk or eggs.(1) Dr. Herta Spencer, of the VA Hospital in Hines, IL shows
that when protein is given as meat, subjects do not show any increase in
calcium excreted, or any significant change in serum calcium, even over a
long period.(2) Other investigators found that a high protein intake
increased calcium absorption when dietary calcium was adequate or high, but
not when calcium intake was a low 500 mg per day.(3)

(1) Herta Spencer and Lois Kramer, "Factors contributing to osteoporosis",
Journal of Nutrition, 1986 116:316-319

(2) Herta Spencer and Lois Kramer, "Further studies of the effect of a high
protein diet as meat on calcium metabolism", American Journal of Clinical
Nutrition, June 1983 37 (6):924-929

(3) HM Linkswiler, et al, "Calcium retention of young adult males as
affected by level of protein and of calcium intake", Trans. N.Y. Acad. Sci.
1974 36:333