“Tocopheryl-acetate destabilizes the fragile, lipo-hydrophilic balance of this lung surfactant, causing occlusion, affecting the permeation of gases and substances in the bronchial structures and alveoli,” said Rubashkyn.
It’s like Saran-wrapping the inside of your lungs.
The result: Lung cells die. That damage can initiate a runaway immune system reaction resembling hypersensitivity pneumonitis, or immune checkpoint-inhibitor pneumonitis. This may especially occur with high doses of tocopheryl-acetate, such as in formulations found in a vape cart cut heavily with the oil. And it may occur even at relatively low vaping temperatures.
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