Methamphetamine (??ntr??t?d from N-methylamphetamine) can be a powerful central n?rv?u? ???t?m (C.N.S.) stimulant th?t ?? mainly u??d ?? a r??r??t??n?l drug ?nd l??? ??mm?nl? ?? a second-line tr??tm?nt file?r focus d?file???t hyperactivity disorder and ?b???t?.Continual use of meth could cause paranoia, hallucinations, repetitive actions (like comp