November 15, 2019

Juul stops sales of mint-flavored e-cigarettes

By Karl W Oestreich

HealthDay
by Dennis Thompson

Juul Labs will halt sales of its mint-flavored electronic cigarettes, the company announced Thursday…Researchers at the Mayo Clinic Arizona conducted an examination of 17 cases involving vaping-linked lung injury -- including lung biopsies. All of the patients examined had severe forms of the illness, and two had died. "Based on what we have seen in our study, we suspect that most cases involve chemical contaminants, toxic byproducts or other noxious agents within vape liquids," said lead researcher Dr. Brandon Larsen. He's a surgical pathologist at the Mayo Clinic Arizona, in Scottsdale.

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Context: Research into the pathology of vaping-associated lung injury is in its early stages, but a Mayo Clinic study published in The New England Journal of Medicinefinds that lung injuries from vaping most likely are caused by direct toxicity or tissue damage from noxious chemical fumes.

Researchers reviewed lung biopsies from 17 patients, all of whom had vaped and were suspected to have vaping-associated lung injury. The study was the first to examine a group of biopsies from patients with lung injury due to vaping. Researchers found no evidence of tissue injury caused by accumulation of lipids — fatty substances such as mineral oils — which has been suspected as a possible cause of the lung injuries associated with vaping.

"While we can't discount the potential role of lipids, we have not seen anything to suggest this is a problem caused by lipid accumulation in the lungs. Instead, it seems to be some kind of direct chemical injury, similar to what one might see with exposures to toxic chemical fumes, poisonous gases and toxic agents," says Brandon Larsen, M.D., Ph.D., a surgical pathologist at Mayo Clinic Arizona, and a national expert in lung pathology.

You can read and view more here on Mayo Clinic News Network.

Contact: Jim McVeigh

Tags: Dr. Brandon Larsen, HealthDay, Mayo Clinic in Arizona, Uncategorized, Vaping

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