[QUOTE=SydneyK;1390119]Ok, I've never known anyone who does meth, so I have no first-hand knowledge of what it does. But, does the meth have anything to do with the teeth-grinding? I don't know if these two statements are as unrelated as they seem, or if teeth-grinding is a side-effect of meth.
-end hijack-
/QUOTE]
Yeah, supposedly it is, part of what leads to "meth mouth". Check this out for more info:
http://en.wikipedia.org/wiki/Meth_mouth