Nitrous/Summary
Harm potential 
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- Mildly addictive with a moderate potential for abuse
- Exact toxic dosage is unknown
Tolerance 
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- Full tolerance is reached develops with prolonged and repeated use
- Decreases to half after 3 - 7 days
- Returns to baseline after 1 - 2 weeks
- Cross-tolerance with does not produce cross-tolerance with other dissocatives
