A drug with immense abuse potential, methamphetamine (known on the street as "speed", "meth", "crank", "crystal-meth", "ice", and "glass" amongst others) is a central nervous system stimulant of the amphetamine family.药物滥用潜力巨大、冰毒(已知的街为"速度"、"方法"、"曲柄"、"水晶方法"、"冰"而"玻璃"等)是刺激中枢神经系统的安家人. Like cocaine, it is a powerful "upper" that produces alertness, and elation, along with a variety of bad reactions.喜欢可卡因,这是一个强大的"上游",从而产生警觉,喜悦,随着各种不良反应. The effects of methamphetamine, however, are much longer lasting then the effects of cocaine, yet the cost is much the same.基安效果,但效果都长得那么持久可卡因但代价是差不多. For that reason, methamphetamine is sometimes called the "poor man's cocaine."为此,基安有时被称为"穷人的可卡因"

As with many drugs, methamphetamine, if prescribed by a physician, is legally available for the treatment of attention deficit disorders and obesity.由于许多药物,冰毒,如果处方医师、法律可用于治疗注意力不足症、肥胖症. Unfortunately, much of the methamphetamine available on the street is illicit methamphetamine from clandestine labs.不幸的是,大部分可在街头的冰甲,是来自非法秘密实验室.

Production originally concentrated in clandestine labs throughout the United States, but has spread worldwide.原本集中在秘密实验室生产的整个美国,但已蔓延全球. In addition to the underground laboratories, organized crime groups are now responsible for increased meth production.除了地下实验室,有组织犯罪集团正负责方法增加产量.