Drugs don't do them

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Across
  1. 2. sight)
  2. 4. (smoking)
  3. 6. ( addiction)
  4. 7. ( drinking)
Down
  1. 1. ( Big H)
  2. 2. jane(cannabis)
  3. 3. methaphetamine)
  4. 5. sniffing)
  5. 8. ( snorting