Yes it does mimic other diseases but 30 yrs ago there wasn't diseases like we have today so it's suspicious to me remember back then and until recently most Dr,s said it's all in our heads.Why couldn't 30 yrs ago they start working on a cause @cure? One thing John found was a paper from ncbi.nlm.nih.gov/PNC4303846 talks about fibro way down in article @fermented foods ,sauerkraut pickles May be a cure I know vinegar kills germs so make sense read article ,as I told Peach pickle juice is good for that sudden leg cramp found out myself.