Idiotic post is idiotic.
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Bath salts seem to be a new trend in the states, where as they seem to have been around longer in the UK.......... Only the media call them 'bath salts'
Common ones here a mephedrone, methylone (both like MDMA) and they came to prominence since the UK banned a substance that is used to make MDMA, but is also used to make bombs (saffrole oil i think it was)..... Both of these seemed to be ok short term, but when the kids started going mental for it, and it was realised they often reacted very badly with alcohol its kind of started calming down again.... (and channels to get the banned manufacturing compound for MDMA opened up again).
Another newer one is MXE which is a replacement for ketamin...... this stuff puts people in coma's left right and center, as you only need 20 mg doses, but people do 200 mg doses thinking its like k.
I've seen discussions from a lot of people very 'in the know' that reckon this zombie stuff could be down to another legal high which never really took off over here called MDVP. This didnt take off because it is sketchy and only really psychonauts play with it. But again you need tiny doses, but idiots do massive ones.
I hope some of that info might help you sort people out in the A&E (ER if youre a yankee).