and it's widely known that people use/abuse n2o cartridges as whippets in order to get high.  There are laws regarding substances known to be abused as inhalants, and n2o cartridges fall under those laws.

When you think about drugs that threaten the health of teens, whipped cream could be the last thing that comes to mind. But the pressurized containers used to store canned whipped cream contain a propellant gas called nitrous oxide, which can be inhaled quickly by mouth to get a brief but intoxicating rush.

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