An interesting and lengthy (by internet standards) article on the “bath salts” drugs that have gained popularity and driven a bunch of users buggo:
The Drug That Never Lets Go
While “never” is likely an extreme exaggeration, it’s one of the features of bath salts that the effects last a really, really long time .
A point to consider: the damage that synthetic drugs seem to be capable of is greater than that brought on by most drugs naturally occurring drugs. So it’s worth asking if “bath salts” would even exist if pot was legal.