User:TenOfAllTrades/Why not?

We aren't this guy.

Wikipedia's formal policies and guidelines related to the offering of medical advice can be found in several places. Worth reviewing are

This informal essay isn't intended to be cited as policy or guideline. It serves only to summarize in a casual way some of the key reasoning behind the policies.

I have been told that I shouldn't give out 'medical advice' on Wikipedia. Why not?