Great question! I tell a few people I feel comfortable telling. I told a friend at work because her mother has horrible psoryasis (sp?). But I'm sure she won't tell her mother. Do what you feel comfortable with. You can usually tell right away if someone is going to think your nuts. Hee Hee! But I'm at an age where I don't care what people think anymore.
I'm so very glad you are having such great success. Yes, it makes you made that Doctors know or care nothing about it. I never go to the doctor unless I absolutely have to. In fact next time I do I'm going to mention it to her and see what she says.