Mayo Clinic study shows toxic chemicals may be to blame for vaping-related illnesses

Mayo Clinic Health System researchers looked at lung biopsies from 17 patients who had lung injuries suspected to be caused by vaping.

Researchers found no evidence that build-up of fatty substances from oils caused the injuries, which had been considered a possible culprit.

Instead, the biopsies showed chemical injuries, similar to what exposure to toxic fumes would cause.

Dr. Taylor Hayes at Mayo Clinic’s headquarters in Rochester said to avoid vaping especially when it comes to products containing THC, the psychoactive compound in marijuana.

“The majority of cases of lung injury used solutions that contained TCH, but not all of them. 70% to 80% do, but then another 20% to 30% do not. Whether or not that’s simply that they didn’t report it or the report was incomplete, we don’t know,” said Hayes.

The CDC says at least 26 people have died as a result of using e-cigarettes and vaping products, including two patients from the study.

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