>>   I was watching Witches of Eastwick the other day.  Excuse me for not
>knowing
>>acting so strange.  She stated that when a bone is broken, bone marrow
>enters  
>>the {*filter*} stream.  This eventually makes it to the brain, and causes a shift
>in
>    fat particles (and maybe marrow?) may enter the {*filter*}stream
>    and this is not a good thing (as far as things go).
>    These can lodge in places they shouldn't be (in the smaller
>    {*filter*} vessels of the brain, heart vavles, etc.)