You forgot the 10% of hypochondriacs at the KH
Was it only in Australia that the Kombucha Mushroom fad took hold of entire congregations en masse (was big in the early '90s here)?
(A fungus that grows on tea. You let the tea ferment with some magic fungus added, let the fungus grow for a few weeks, and drink the tea. Supposedly it cures everything from warts to brain tumors. Needless to say, I refused to try it.)