drug classifications and examples

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Across
  1. 4. gives off fumes and vapours to the air
  2. 5. confusion, drowsiness and nausea
  3. 6. coordination problems, changes in mood, cancers and heart problems
  4. 8. slows down the brain function
Down
  1. 1. significantly alter mood leading to states of consciousness
  2. 2. effects on every organ system and leading to a range of diseases
  3. 3. makes you feel more alert and energetic
  4. 7. causes increased heart rate and respiratory problems