There are many myths and/or justification for taking all mind-altering substances and the use of methamphetamine, (meth, crank, crystal, speed, etc.) certainly has its share. Probably the most detrimental myth about his drug is the idea that it is not addictive.Users of this drug will equate it to a potent caffeine-type substance, and in some ways they are correct.Methamphetamine and…