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  1. Methamphetamine - Wikipedia

  2. What Is Meth? Use, Effects, Addiction, and Treatment - Healthline

  3. Crystal Meth: Signs of Use and Addiction - WebMD

  4. What is methamphetamine? | National Institute on Drug Abuse

  5. Know the Risks of Meth | SAMHSA

  6. Methamphetamine | National Institute on Drug Abuse (NIDA)

  7. Methamphetamine Research Report: Overview | NIDA

  8. Methamphetamine | Definition, Physiological Effects, Crystal Meth ...

  9. Patterns and Characteristics of Methamphetamine Use Among …