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Methamphetamine, commonly called speed, meth, glass, or crystal, is an addictive stimulant. Methamphetamine is taken orally, injected, or snorted. It is also, like cocaine, turned into a crystal that is smoked. Methamphetamine is often produced in labs, either legal or illegal, which harm the environment.

What are the short-term effects of methamphetamine?

  • Increased wakefulness
  • Increased physical activity
  • Increased blood pressure and heart rate
  • Increased body temperature
  • Decreased appetite
  • Hyperthermia (overheating)

What are the long-term effects of methamphetamine?

  • Mood disturbances
  • Violence
  • Anxiety and paranoia
  • Hallucinations and delusions
  • Extreme weight loss
  • Severe dental problems, often called “meth mouth”
  • Confusion and memory problems
  • Insomnia
  • Addiction