I have never heard of a 'calcified gallbladder'! (but then I haven't heard of a lot of things!) Maybe someone else has heard of that - did he say ' Porcelain Gallbladder '? hmmmm....
Do some searching on the curezone search engine...you may be able to find some specific information.
As far as I know anyone can do the cleanses. They're really fairly gentle cleanses (funny how we're drink, smoke, eat crap non-food without a blink of an eye...but cleanses are scary! It's funny!).
The link below will get you started on your reading!
Everyone should do a bowel and parasite cleanse. Click on 'recommended reading' in those forums to get some instant interesting posts...
I'm sure someone else will post with more specific info for you...