It’s a widely known vaping cartridge in the marijuana economy, but it’s not a licensed brand. The vaping cartridges that go by the catchy, one-syllable name “Dank” — a slang word for highly potent cannabis — are figuring prominently in the federal investigation to determine what has caused a rash of mysterious and sometimes fatal lung illnesses apparently linked to vaping. Most of the cases have involved products that contain the marijuana compound THC, often obtained from illegal sources.
