>Are you familiar with c diff? Placebo's don't work More familiar than you apparently, because placebos have been proven to work: https://www.medscape.com/vie

>Are you familiar with c diff? Placebo's don't work More familiar than you apparently, because placebos have been proven to work: https://www.medscape.com/viewarticle/853175 https://www.medscape.com/viewarticle/853175 I think the problem is the subjective measure, so it's impossible to know which symptoms are caused by c.diff and which from IBS.