Vaping Illnesses May Be Linked to Illegal Marijuana Products

Fabian Castillo was suffering from crippling anxiety when his uncle handed him a marijuana vape pen one day last December.

"It will help calm you down," Castillo said his uncle told him.

Over the next several months, the vape worked as advertised. Castillo, who had just graduated high school in southern California, found himself more mellow and more productive.

He had no idea at the time that he was using, what he now believes, was a bootleg vape pen filled with a toxic mix of chemicals.

But on Aug. 2,...

The mystery of the outbreak of vaping-related lung illnesses is still not solved.

But investigators in Illinois and Wisconsin have found some clues, they announced Friday in a press briefing.

Investigators in these two states conducted detailed interviews with 86 patients — mostly young men — and 66% said they had vaped THC products labeled as Dank Vapes. THC is the psychoactive ingredient in cannabis.

What are Dank Vapes and how could they be fueling the outbreak?

"Dank Vapes appears to be the most prominent in a class of largely...