types, yes ... 0 + or 0 - or AB- etc
the questions he asked me when he was putting together my plan was blood group, and gross toilet related stuff like the smell and look of *ahem*.
moving on.
natropaths also look at your tongue, fingernails and eyes to look at what existing over/under's you have in your system - the liver, kidneys and every vital organ sends messages to your eyes, nails and tongue. because of my lifelong sugar addiction my system is super acidic, and with acidity comes heartburn and potential peptic ulcers ... amazing but he pinpointed many things i've never even realized were wrong based on this ...
i am trying to find a site i looked at a few months ago without much luck, its got a bunch of tongue diagrams that show how they read it ...
this is interesting ...
natropath techniques vs doctor techniques