mAMP Methamphetamine, AKA “speed”, “meth”, “chalk”, “Christina” or “Tina”. Methamphetamine manufactures by small illegal laboratories with relatively inexpensive over-the-counter ingredients and widely presented on today black market.
It is very addictive stimulant drug that strongly activates certain systems in the brain. The effects of methamphetamine can last 6 to 8 hours.  After the initial "rush" or "flash," there is typically a state of high agitation that in some individuals can lead to violent behavior

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