> Joyce,
>
> She is right to the extent that blood calcium level is regulated by the
> parathyroid gland, not the diet. But, the diet should be balanced at a 2:1
> Ca:P ratio because that is the ratio that the parathyroid gland is trying to
> maintain due to the fact that bone is 2 parts Ca & 1 part P and is the major
> reservoir of calcium and phosphorus.
> Short term aberrations of Ca & P in the diet are not of any significance but
> are not desirable over the long term. Hopes this helps settle the question.
>
> Dan
>