Methamphetamine has negative effects that can include disturbed sleep patterns, hyperactivity, nausea, delusions of power, increased aggressiveness and irritability. Once taken the user looses weight. Antonie Dixon completely or partially severed the hands or arms of two women with a Katana (Samurai sword), shot a man dead with a sub-machine gun and kidnapped another man.
Here is a photo of before and after methamphetamine users.
