Drug addiction

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Across
  1. 3. – A common method of drug rehabilitation (7)
  2. 5. – A legal but addictive drug found in coffee (8)
  3. 6. – A class of drugs that includes heroin, fentanyl, and morphine (7)
  4. 7. – The term for using drugs in a way that harms a person (9)
  5. 9. – The process of removing drugs from the body (7)
  6. 10. – A synthetic drug that mimics natural opioids (8)
  7. 16. – The legal status of a drug that can be prescribed by a doctor (7)
  8. 17. – A substance used to reverse opioid overdoses
  9. 18. – The brain chemical associated with pleasure and addiction (9)
  10. 19. – A drug derived from the coca plant (7)
  11. 20. – A place where people receive treatment for drug addiction (7)
Down
  1. 1. – A stimulant drug commonly known as "meth" (10)
  2. 2. – A drug that distorts perception and causes hallucinations (14)
  3. 4. – A drug often referred to as "weed" or "marijuana" (9)
  4. 8. – A strong desire to use a drug (7)
  5. 11. – The addictive chemical found in tobacco (8)
  6. 12. – A hallucinogenic drug commonly known as LSD (4)
  7. 13. – A highly addictive stimulant often called "crack" (7)
  8. 14. – A medication used to treat opioid addiction (9)
  9. 15. – The unpleasant symptoms that occur when a person stops using a drug (10)