NPR

CDC Confirms A THC Additive, Vitamin E Acetate, Is The Culprit In Most Vaping Deaths

The spate of more than 2,500 acute vaping-related lung injuries tracked by the Centers for Disease Control and Prevention is on the decline, epidemiologists say, and the number of deaths has slowed.
The CDC is still trying to understand the mechanism by which Vitamin E acetate, an additive in some vapes, injures lung tissue. It may interfere with a natural fluid in the lung called surfactant, which helps make lung tissue stretchy. Or a byproduct may be a toxic chemical.

A health-surveillance system put in place after the terrorist attacks of September 2001 has been used to pinpoint the cause of the vaping-related lung injuries that have killed 54 Americans and sent more than 2,500 people to the hospital.

Using this system, researchers at the Centers for Disease Control and Prevention have found that the lung injuries rose sharply in June of

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