Don't worry about it. My brother is no air-head, but he wants the world (and his in-laws) to know he is no fool, and so he take the negative side, just in case. Also he is genuinely concerned, and since he is not around and would never want anything bad to happen to me, and would never forgive himself if he had anything to do with my coming to more grief, he leaves that as it should be, entirely up to me. Medical people are used to being on the cautious side. I have met those who for some reason take a genuine joy in negativity, but not often.
Beware: officiousness can lead to oafishness.
"Try - Just A Little Bit Harder" - Janis Joplin
CCSVI procedure Albany Aug 2010
'MS' is over - if you want it
Patients sans/without patience