>Are any ways to utilize (I mean eat and absorb) calcium from bones?  Does
>cooking help or there are some other methods?

When I pressure cook meats, I sometimes let it go until the bones are
quite
soft (when I'm making soup stock, for example) . I'm tempted to at
least
chew on them, if not eat them, to get whatever nutrition is available.
Is
this feasible or worthwhile?

Mike